Add log4j2 logging dependencies and configuration files

pom.xml

@@ -248,6 +248,28 @@
 		    <artifactId>jwks-rsa</artifactId>
 		    <version>0.22.1</version>
 		</dependency>
+
+		<!-- SLF4J API -->
+	    <dependency>
+	        <groupId>org.slf4j</groupId>
+	        <artifactId>slf4j-api</artifactId>
+	        <version>2.0.15</version>
+	    </dependency>
+
+	    <!-- Log4j 2 SLF4J Binding -->
+	    <dependency>
+		    <groupId>org.apache.logging.log4j</groupId>
+			    <artifactId>log4j-slf4j2-impl</artifactId>
+			    <version>2.23.1</version>
+	   		 <scope>test</scope>
+   		 </dependency>
+
+	    <!-- Log4j 2 Core (required by the above) -->
+	    <dependency>
+	        <groupId>org.apache.logging.log4j</groupId>
+	        <artifactId>log4j-core</artifactId>
+	        <version>2.23.1</version>
+	    </dependency>
 
 		<!--Lombok-->
 		<dependency>

src/main/resources/log4j2.properties

@@ -0,0 +1,18 @@
+status = warn
+name = PropertiesConfig
+
+filters = threshold
+
+filter.threshold.type = ThresholdFilter
+filter.threshold.level = warn
+
+appenders = console
+
+appender.console.type = Console
+appender.console.name = STDOUT
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n
+
+rootLogger.level = debug
+rootLogger.appenderRefs = stdout
+rootLogger.appenderRef.stdout.ref = STDOUT

src/test/resources/log4j2.properties

@@ -0,0 +1,18 @@
+status = warn
+name = PropertiesConfig
+
+filters = threshold
+
+filter.threshold.type = ThresholdFilter
+filter.threshold.level = debug
+
+appenders = console
+
+appender.console.type = Console
+appender.console.name = STDOUT
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n
+
+rootLogger.level = debug
+rootLogger.appenderRefs = stdout
+rootLogger.appenderRef.stdout.ref = STDOUT