feat: introduce Decky Installer mirror files

Add initial setup for the mirrored Decky Installer. Includes the
install script, desktop file, and GitHub release workflow. The
script modifies the official installer to use a custom mirror host.

1 files changed, 24 insertions, 0 deletions

diff --git a/.github/workflows/release-on-tag.yml b/.github/workflows/release-on-tag.yml
new file mode 100644
index 0000000..f91b30f
--- /dev/null
+++ b/.github/workflows/release-on-tag.yml
@@ -0,0 +1,24 @@
+name: Release on Tag
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Create GitHub release
+        uses: softprops/action-gh-release@v2
+        with:
+          name: ${{ github.ref_name }}
+          tag_name: ${{ github.ref_name }}
+          files: |
+            user_install_script.sh
+            decky_installer.desktop