优化readme，nuget，gitignore

Author: StarryXYJ

.github/CODEOWNERS

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+* @StarryXYJ

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Report a bug to help us improve
+title: '[Bug] '
+labels: bug
+assignees: ''
+---
+
+## Describe the bug
+
+A clear and concise description of what the bug is.
+
+## To Reproduce
+
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+## Expected behavior
+
+A clear and concise description of what you expected to happen.
+
+## Environment
+
+- OS: [e.g. Windows 11]
+- .NET Version: [e.g. .NET 9.0]
+- Avalonia Version: [e.g. 11.2.7]
+- Package Version: [e.g. 1.0.0]
+
+## Additional context
+
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: 📖 Documentation
+    url: https://github.com/StarryXYJ/Avalonia.DynamicLocalization#readme
+    about: Check the documentation before opening an issue

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for this project
+title: '[Feature] '
+labels: enhancement
+assignees: ''
+---
+
+## Is your feature request related to a problem?
+
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+## Describe the solution you'd like
+
+A clear and concise description of what you want to happen.
+
+## Describe alternatives you've considered
+
+A clear and concise description of any alternative solutions or features you've considered.
+
+## Additional context
+
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+
+<!-- Please include a summary of the change and which issue is fixed. -->
+
+Fixes # (issue)
+
+## Type of change
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+
+## Checklist
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works

.github/workflows/publish.yml

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+name: Publish to NuGet
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+env:
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+  DOTNET_NOLOGO: true
+  NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
+
+jobs:
+  build-and-publish:
+    runs-on: windows-latest
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Fetch all tags
+        run: git fetch --tags
+
+      - name: Show current tag
+        run: git describe --tags
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: |
+            6.0.x
+            7.0.x
+            8.0.x
+            9.0.x
+
+      - name: Cache NuGet packages
+        uses: actions/cache@v4
+        with:
+          path: ${{ github.workspace }}/.nuget/packages
+          key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj') }}
+          restore-keys: |
+            ${{ runner.os }}-nuget-
+
+      - name: Restore dependencies
+        run: dotnet restore
+
+      - name: Build
+        run: dotnet build --configuration Release --no-restore -p:ContinuousIntegrationBuild=true
+
+      - name: Test
+        run: dotnet test --configuration Release --no-build --verbosity normal
+
+      - name: Pack
+        run: dotnet pack --configuration Release --no-build --output artifacts
+
+      - name: List packages
+        run: Get-ChildItem artifacts -Filter *.nupkg
+
+      - name: Publish to NuGet
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: |
+          Get-ChildItem artifacts -Filter *.nupkg | ForEach-Object { 
+            dotnet nuget push $_.FullName --source https://api.nuget.org/v3/index.json --api-key ${{ secrets.NUGET_API_KEY }} --skip-duplicate
+          }
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: nuget-packages
+          path: artifacts/*.nupkg
+          retention-days: 30
+
+      - name: Create GitHub Release
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: softprops/action-gh-release@v2
+        with:
+          files: artifacts/*.nupkg
+          generate_release_notes: true