chore: include source tarballs in release mirrors on ipfs

https://discord.com/channels/774491656643674122/774491656643674128/838118504535949312

.github/workflows/release.yml

@@ -78,6 +78,7 @@ jobs:
           cp dist/main.js $ARTIFACTS_DIR/musescore-downloader.user.js
           cp dist/ext.zip $ARTIFACTS_DIR/musescore-downloader.webextension.zip
           wget -q $CHROME_EXT_URL -P $ARTIFACTS_DIR/
+          wget -q https://github.com/Xmader/musescore-downloader/archive/$REF.tar.gz -P $ARTIFACTS_DIR/
       - run: bash ./.github/workflows/get-signed-ext.sh
         env:
           EXT_ID: musescore-downloader
@@ -97,6 +98,7 @@ jobs:
           IPFS_HASH: ${{ steps.ipfs.outputs.hash }}
         run: |
           cd $ARTIFACTS_DIR
+          rm *.tar.gz
 
           files=$(ls .)
           assets=()