rewrite: rewrote as github actions runnable

scripts/create-release.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Creates a Github release for the given version and uploads the built .pkg.tar.zst artifact
+# Outputs asset download URL to GITHUB_OUTPUT
+
+VERSION="${1:?Usage: create-release.sh <version> <pkg_path>}"
+PKG_PATH="${2:?Usage: create-release.sh <version> <pkg_path>}"
+REPO="${GITHUB_REPOSITORY}"
+
+if [ ! -f "$PKG_PATH" ]; then
+    echo "ERROR: Package file not found at $PKG_PATH" >&2
+    exit 1
+fi
+
+echo "Creating Github release v${VERSION}..."
+gh release create "v${VERSION}" \
+    --repo "$REPO" \
+    --title "v${VERSION}" \
+    --notes "Automated build of webkit2gtk v${VERSION} from AUR" \
+    "$PKG_PATH"
+
+echo "Fetching asset URL..."
+ASSET_URL=$(gh release view "v${VERSION}" \
+    --repo "$REPO" \
+    --json assets \
+    --jq '.assets[] | select(.name | endswith(".pkg.tar.zst")) | .url'
+)
+
+if [ -z "$ASSET_URL" ]; then
+    echo "ERROR: Could not retrieve asset URL after upload" >&2
+    exit 1
+fi
+
+echo "Asset URL: $ASSET_URL"
+echo "asset_url=$ASSET_URL" >> "$GITHUB_OUTPUT"