[4기 안재영] Shorten URL 과제 PR입니다.

.gitignore

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+# Created by https://www.toptal.com/developers/gitignore/api/java,intellij,gradle
+# Edit at https://www.toptal.com/developers/gitignore?templates=java,intellij,gradle
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+# https://plugins.jetbrains.com/plugin/7973-sonarlint
+.idea/**/sonarlint/
+
+# SonarQube Plugin
+# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin
+.idea/**/sonarIssues.xml
+
+# Markdown Navigator plugin
+# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced
+.idea/**/markdown-navigator.xml
+.idea/**/markdown-navigator-enh.xml
+.idea/**/markdown-navigator/
+
+# Cache file creation bug
+# See https://youtrack.jetbrains.com/issue/JBR-2257
+.idea/$CACHE_FILE$
+
+# CodeStream plugin
+# https://plugins.jetbrains.com/plugin/12206-codestream
+.idea/codestream.xml
+
+# Azure Toolkit for IntelliJ plugin
+# https://plugins.jetbrains.com/plugin/8053-azure-toolkit-for-intellij
+.idea/**/azureSettings.xml
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*
+
+### Gradle ###
+.gradle
+**/build/
+!src/**/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Avoid ignore Gradle wrappper properties
+!gradle-wrapper.properties
+
+# Cache of project
+.gradletasknamecache
+
+# Eclipse Gradle plugin generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+### Gradle Patch ###
+# Java heap dump
+*.hprof
+
+# End of https://www.toptal.com/developers/gitignore/api/java,intellij,gradle

HELP.md

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+# Getting Started
+
+### Reference Documentation
+
+For further reference, please consider the following sections:
+
+* [Official Gradle documentation](https://docs.gradle.org)
+* [Spring Boot Gradle Plugin Reference Guide](https://docs.spring.io/spring-boot/docs/3.1.4/gradle-plugin/reference/html/)
+* [Create an OCI image](https://docs.spring.io/spring-boot/docs/3.1.4/gradle-plugin/reference/html/#build-image)
+* [Spring Data JPA](https://docs.spring.io/spring-boot/docs/3.1.4/reference/htmlsingle/index.html#data.sql.jpa-and-spring-data)
+* [Validation](https://docs.spring.io/spring-boot/docs/3.1.4/reference/htmlsingle/index.html#io.validation)
+* [Spring Web](https://docs.spring.io/spring-boot/docs/3.1.4/reference/htmlsingle/index.html#web)
+* [Spring REST Docs](https://docs.spring.io/spring-restdocs/docs/current/reference/html5/)
+* [Spring Boot DevTools](https://docs.spring.io/spring-boot/docs/3.1.4/reference/htmlsingle/index.html#using.devtools)
+
+### Guides
+
+The following guides illustrate how to use some features concretely:
+
+* [Accessing data with MySQL](https://spring.io/guides/gs/accessing-data-mysql/)
+* [Accessing Data with JPA](https://spring.io/guides/gs/accessing-data-jpa/)
+* [Validation](https://spring.io/guides/gs/validating-form-input/)
+* [Building a RESTful Web Service](https://spring.io/guides/gs/rest-service/)
+* [Serving Web Content with Spring MVC](https://spring.io/guides/gs/serving-web-content/)
+* [Building REST services with Spring](https://spring.io/guides/tutorials/rest/)
+
+### Additional Links
+
+These additional references should also help you:
+
+* [Gradle Build Scans – insights for your project's build](https://scans.gradle.com#gradle)
+

build.gradle

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+plugins {
+    id 'java'
+    id 'org.springframework.boot' version '3.1.4'
+    id 'io.spring.dependency-management' version '1.1.3'
+    id 'org.asciidoctor.jvm.convert' version '3.3.2'
+}
+
+group = 'com.prgrmrs'
+version = '0.0.1-SNAPSHOT'
+
+java {
+    sourceCompatibility = '17'
+}
+
+repositories {
+    mavenCentral()
+}
+
+ext {
+    set('snippetsDir', file("build/generated-snippets"))
+}
+
+dependencies {
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+    runtimeOnly 'com.mysql:mysql-connector-j'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    testImplementation 'org.springframework.restdocs:spring-restdocs-mockmvc'
+}
+
+tasks.named('test') {
+    outputs.dir snippetsDir
+    useJUnitPlatform()
+}
+
+tasks.named('asciidoctor') {
+    inputs.dir snippetsDir
+    dependsOn test
+}