🚀 #103: Add github-actions script to create release automatically

.github/workflows/dotnet.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "master" ]
 
+permissions:
+  contents: write
+
 jobs:
   build:
 
@@ -33,4 +36,20 @@ jobs:
         PROJECT_FILE_PATH: "src/sika/sika.csproj"
         VERSION_REGEX: '<AssemblyVersion>(.*)<\/AssemblyVersion>'
         NUGET_KEY: ${{secrets.NUGET_KEY}}
-      if: github.event_name != 'pull_request'
+      if: github.event_name != 'pull_request'
+
+    - name: Retrieve version
+      id: proj_version
+      uses: KageKirin/get-csproj-version@v0
+      with:
+        file: src/sika/sika.csproj
+        xpath: '//PropertyGroup/AssemblyVersion'
+
+    - name: Create release
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        VERSION: ${{ steps.proj_version.version }}
+      run: |
+        gh release create "v$VERSION" \
+          --repo="$GITHUB_REPOSITORY" \
+          --generate-notes