[Build] Enable sonatype publish (#254)

* [Build] Enable sonatype publish

Other prep for 0.1.0 release:
- special case 0.1.0 to avoid creating release branch
- minor format and name improvements in ci.yml

* [Build] Improve format of prepare-release.yml

* [Build] Exclude .github from PR workflow

.github/workflows/prepare-release.yml

@@ -21,26 +21,30 @@ jobs:
       actions: read
     steps:
       - id: checkout-source
-        name: Checkout Source Code
+        name: Checkout source code
         uses: actions/checkout@v2
         with:
           token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
-      - name: Set up gradle
+
+      - name: Set up Gradle
         uses: spring-io/spring-gradle-build-action@v1
         with:
           java-version: '17'
           distribution: 'temurin'
+
       - id: check-open-issues
         name: Check for open issues
         run: |
           echo "TODO actually check for open issues"
           echo "::set-output name=is_open_issues::false"
+
       - id: validate-release-state
         name: Validate release state
         if: steps.check-open-issues.outputs.is_open_issues == 'true'
         run: |
           echo "There are open issues"
           exit 1
+
       - id: update-version-and-push
         name: Update version and push
         if: steps.check-open-issues.outputs.is_open_issues == 'false'