ci: separate android runner, github release download, telegram notifications and release upload

Reviewed-on: https://code.gri.mw/GUI/grim/pulls/33

.github/download_release.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+HOST=https://code.gri.mw
+REPO_NAME=$1
+TAG=$2
+DOWNLOAD_URL=${HOST}/${REPO_NAME}/releases/download/${TAG}
+
+FILES=( "grim-${TAG}-android.apk" "grim-${TAG}-android-x86_64.apk" "grim-${TAG}-linux-arm.AppImage" "grim-${TAG}-linux-x86_64.AppImage" "grim-${TAG}-macos-arm.zip" "grim-${TAG}-macos-x86_64.zip" "grim-${TAG}-macos-universal.zip" "grim-${TAG}-win-x86_64.zip" )
+
+# Download release files
+for f in "${FILES[@]}"; do
+  wget -q ${DOWNLOAD_URL}/${f}
+  echo Downloading ${f}...
+  while [ ! -f ${f} ]; do
+    sleep 5
+    echo Retry ${f}...
+    wget -q ${DOWNLOAD_URL}/${f}
+  done
+done
+
+# Save release notes
+INFO_URL=${HOST}/api/v1/repos/${REPO_NAME}/releases/tags/${TAG}
+curl -s "${INFO_URL}" | jq -r '.body' > release_notes.txt

.github/workflows/release.yml

@@ -0,0 +1,32 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  create_release:
+    name: Create Release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Download release
+        run: chmod +x .github/download_release.sh && .github/download_release.sh ${{ github.repository }} ${{ github.ref_name }}
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        with:
+          body_path: release_notes.txt
+          overwrite_files: true
+          files: |
+            grim-${{ github.ref_name }}-android.apk
+            grim-${{ github.ref_name }}-android-x86_64.apk
+            grim-${{ github.ref_name }}-linux-arm.AppImage
+            grim-${{ github.ref_name }}-linux-x86_64.AppImage
+            grim-${{ github.ref_name }}-macos-arm.zip
+            grim-${{ github.ref_name }}-macos-x86_64.zip
+            grim-${{ github.ref_name }}-macos-universal.zip
+            grim-${{ github.ref_name }}-win-x86_64.zip