Add CI workflow for building and releasing

Builds all 6 variants (3 platforms × 2 build types) on push to main.
Fetches APK from private repo using deploy key.

💘 Generated with Crush

Assisted-by: Claude Opus 4.5 via Crush <crush@charm.land>

.forgejo/workflows/release.yml

@@ -0,0 +1,62 @@
+name: Build and Release
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: "10.0.x"
+
+      - name: Fetch APK from private repo
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.APK_DEPLOY_KEY }}" > ~/.ssh/apk_key
+          chmod 600 ~/.ssh/apk_key
+          GIT_SSH_COMMAND="ssh -i ~/.ssh/apk_key -o StrictHostKeyChecking=no" \
+            git clone --depth 1 git@git.amarth.cloud:chris/.files.git apk-repo
+          mv apk-repo/delver.apk .
+          rm -rf apk-repo ~/.ssh/apk_key
+
+      - name: Build all platforms
+        run: |
+          # Windows
+          dotnet publish -c Release -r win-x64 -o dist/win-x64/standard
+          dotnet publish -c Release -r win-x64 -p:EmbeddedApk=delver.apk -o dist/win-x64/embedded
+          # Linux
+          dotnet publish -c Release -r linux-x64 -o dist/linux-x64/standard
+          dotnet publish -c Release -r linux-x64 -p:EmbeddedApk=delver.apk -o dist/linux-x64/embedded
+          # macOS
+          dotnet publish -c Release -r osx-x64 -o dist/osx-x64/standard
+          dotnet publish -c Release -r osx-x64 -p:EmbeddedApk=delver.apk -o dist/osx-x64/embedded
+
+      - name: Package binaries
+        run: |
+          mkdir -p release
+          # Standard builds
+          cp dist/win-x64/standard/Scry.exe release/scry-win-x64.exe
+          cp dist/linux-x64/standard/Scry release/scry-linux-x64
+          cp dist/osx-x64/standard/Scry release/scry-osx-x64
+          # Embedded builds
+          cp dist/win-x64/embedded/Scry.exe release/scry-embedded-win-x64.exe
+          cp dist/linux-x64/embedded/Scry release/scry-embedded-linux-x64
+          cp dist/osx-x64/embedded/Scry release/scry-embedded-osx-x64
+          # Make Linux/macOS binaries executable
+          chmod +x release/scry-linux-x64 release/scry-osx-x64
+          chmod +x release/scry-embedded-linux-x64 release/scry-embedded-osx-x64
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: release/*
+          generate_release_notes: true