ci: добавить Forgejo Actions workflows

Добавлены 3 workflow для CI/CD:

1. build.yml - основная сборка и тесты
   - Запускается на push в main/develop и PR
   - Сборка с Gradle
   - Запуск тестов
   - Загрузка артефактов (jar файлы, отчеты тестов)

2. release.yml - автоматические релизы
   - Запускается при создании тега v*
   - Сборка без тестов
   - Создание релиза с артефактами

3. quality.yml - проверка качества кода
   - Проверка стиля кода
   - Тесты с покрытием (Jacoco)
   - Загрузка отчетов о покрытии

Требования:
- JDK 21 (Temurin)
- Gradle wrapper
- Forgejo Actions runner

.forgejo/workflows/build.yml

@@ -0,0 +1,47 @@
+name: Build and Test
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    - name: Build with Gradle
+      run: ./gradlew build --no-daemon
+
+    - name: Run tests
+      run: ./gradlew test --no-daemon
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v4
+      if: success()
+      with:
+        name: lochat-plugin
+        path: build/libs/*.jar
+        retention-days: 30
+
+    - name: Upload test results
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: test-results
+        path: build/reports/tests/
+        retention-days: 7

.forgejo/workflows/quality.yml

@@ -0,0 +1,39 @@
+name: Code Quality
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  quality:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    - name: Check code style
+      run: ./gradlew check --no-daemon
+
+    - name: Run tests with coverage
+      run: ./gradlew test jacocoTestReport --no-daemon
+
+    - name: Upload coverage reports
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: coverage-reports
+        path: build/reports/jacoco/
+        retention-days: 7

.forgejo/workflows/release.yml

@@ -0,0 +1,39 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    - name: Build release
+      run: ./gradlew build -x test --no-daemon
+
+    - name: Get version from tag
+      id: get_version
+      run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+
+    - name: Create Release
+      uses: actions/forgejo-release@v2
+      with:
+        direction: upload
+        release-dir: build/libs
+        token: ${{ secrets.GITHUB_TOKEN }}
+        tag: ${{ github.ref_name }}