Create github action to automatically submit new versions to winget

.github/workflows/winget.yml

@@ -0,0 +1,29 @@
+name: WinGet submission on release
+
+on:
+  workflow_dispatch:
+  release:
+    types: [published]
+
+jobs:
+  winget:
+    name: Publish winget package
+    runs-on: windows-latest
+    steps:
+      - name: Submit package to Windows Package Manager Community Repository
+        run: |
+          $wingetPackage = "SteamRE.DepotDownloader"
+
+          $github = Invoke-RestMethod -uri "https://api.github.com/repos/SteamRE/DepotDownloader/releases"
+
+          $targetRelease = $github | Where-Object -Property name -match '^DepotDownloader' | Select -First 1
+          $assets = $targetRelease | Select -ExpandProperty assets -First 1
+          $zipX64Url = $assets | Where-Object -Property name -match 'DepotDownloader-windows-x64.zip' | Select -ExpandProperty browser_download_url
+          $zipArm64Url = $assets | Where-Object -Property name -match 'DepotDownloader-windows-arm64.zip' | Select -ExpandProperty browser_download_url
+          $ver = $targetRelease.tag_name -ireplace '^(DepotDownloader[ _])?v?'
+
+          # getting latest wingetcreate file
+          iwr https://aka.ms/wingetcreate/latest -OutFile wingetcreate.exe
+
+          # how to create a token: https://github.com/microsoft/winget-create?tab=readme-ov-file#github-personal-access-token-classic-permissions
+          .\wingetcreate.exe update $wingetPackage --submit --version $ver --urls "$zipX64Url" "$zipArm64Url" --token "${{ secrets.PT_WINGET }}"