apacheGH-1362: Add .github issues and pull request templates.

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,56 @@
+name: "Bug Report"
+description: "File a bug report"
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for taking the time to fill out this bug report.
+  - type: input
+    id: jena_version
+    attributes:
+      label: Version
+      description: Which version of Apache Jena are you running?
+    validations:
+      required: true
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: Also tell us, what did you expect to happen?
+      placeholder: Tell us what happened.
+    validations:
+      required: true
+  - type: checkboxes
+    id: operating-systems
+    attributes:
+      label: Which environment is running?
+      options:
+        - label: macOS
+        - label: Windows
+        - label: Linux
+        - label: other
+  - type: textarea
+    id: output
+    attributes:
+      label: Relevant output and stacktrace
+      description: Please copy and paste any relevant output. This will be automatically formatted into code, so no need for backticks.
+      render: shell
+  - type: dropdown
+    id: contributor
+    attributes:
+      label: Are you interested in making a pull request?
+      description: We welcome pull requests. As an open source project, we have limited resources and a suggested fix is very helpful.
+      options:
+        - 'Yes'
+        - 'Maybe'
+        - 'No'
+    validations:
+      required: false
+  - type: markdown
+    attributes:
+      value: |
+        ----
+        ### Code of Conduct
+        [Apache Software Foundation Code of Conduct](https://github.com/apache/.github/blob/main/.github/CODE_OF_CONDUCT.md)

.github/ISSUE_TEMPLATE/feature.yml

@@ -0,0 +1,36 @@
+name: Feature suggestion
+description: Feature suggestion
+labels: ["enhancement"]
+body:
+  - type: input
+    id: jena_version
+    attributes:
+      label: Version
+      description: Which version of Apache Jena do you run?
+    validations:
+      required: true
+  - type: textarea
+    id: suggestion
+    attributes:
+      label: Suggestion
+      description: Also tell us, what did you expect to happen?
+      placeholder: Tell us what happened.
+    validations:
+      required: true
+  - type: dropdown
+    id: contributor
+    attributes:
+      label: Are you interested in contributing a solution yourself?
+      description: We welcome your feature request. Let us know if you would like to get involved in actually contributing a fix yourself. We'd be happy to help you get started.
+      options:
+        - 'Yes'
+        - 'No'
+        - 'Perhaps?'
+    validations:
+      required: false
+  - type: markdown
+    attributes:
+      value: |
+        ----
+        ### Code of Conduct
+        [Apache Software Foundation Code of Conduct](https://github.com/apache/.github/blob/main/.github/CODE_OF_CONDUCT.md)

.github/ISSUE_TEMPLATE/question.yml

@@ -0,0 +1,28 @@
+name: Question
+description: "Ask a question"
+labels: ["question"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        For general RDF, SPARQL and Semantic Web questions, please consider using the
+        [Jena discussions area](https://github.com/apache/jena/discussions).
+  - type: input
+    id: jena-version
+    attributes:
+      label: Version
+      description: Which version of Apache Jena are you running?
+    validations:
+      required: true
+  - type: textarea
+    id: question
+    attributes:
+      label: Question
+    validations:
+      required: true
+  - type: markdown
+    attributes:
+      value: |
+        ----
+        #### Code of Conduct
+        [Apache Software Foundation Code of Conduct](https://github.com/apache/.github/blob/main/.github/CODE_OF_CONDUCT.md)

.github/pull_request_template.md

@@ -0,0 +1,18 @@
+GitHub issue resolved: #
+
+Pull request Description:
+
+
+
+----
+
+ - [ ] Tests are included.
+ - [ ] Documentation change and updates are provided for the [Apache Jena website](https://github.com/apache/jena-site/)
+ - [ ] Commits have been squashed to remove intermediate development commit messages.
+ - [ ] Key commit messages start with the issue number (GH-xxxx or JENA-xxxx)
+
+By submitting this pull request, I acknowledge that I am making a contribution to the Apache Software Foundation under the terms and conditions of the [Contributor's Agreement](https://www.apache.org/licenses/contributor-agreements.html).
+
+----
+
+See the [Apache Jena "Contributing" guide](https://github.com/apache/jena/blob/main/CONTRIBUTING.md).

CONTRIBUTING.md

@@ -106,13 +106,9 @@ to review.
 ### Legal
 
 When you contribute, you affirm that the contribution is your original work and
-that you license the work to the Apache Software Foundation under the
-a [Contributor's Agreement](https://www.apache.org/licenses/contributor-agreements.html).
-
-Whether or not you state this explicitly, by submitting any copyrighted
-material via pull request, email, or other means you agree to license the
-material under the project's open source license and warrant that you have the
-legal authority to do so.
+that you license the work to the Apache Software Foundation. You agree to license the
+material under the terms and conditions of the 
+[Contributor's Agreement](https://www.apache.org/licenses/contributor-agreements.html).
 
 You, as an individual, must be entitled to make the contribution to the
 project. If the contribution is part of your employment, please arrange