Add dispatch and pr triggers to release workflow (#207)

.github/workflows/release-publish.yml

@@ -4,6 +4,22 @@ on:
   release:
     types:
       - published
+  workflow_dispatch:
+    inputs:
+      version:
+        description: Version number
+        required: true
+        type: string
+      publish:
+        description: Publish to NuGet
+        required: false
+        default: false
+        type: boolean
+  pull_request:
+    branches:
+      - main
+    paths:
+      - .github/workflows/release-publish.yml
 
 jobs:
   build-and-publish:
@@ -34,16 +50,18 @@ jobs:
       run: cmake --build --preset release
 
     - name: Create NuGet Package
+      working-directory: Generator
       shell: pwsh
       run: |
-        $Version = "${{ github.event.release.tag_name }}"
-        if ($Version.StartsWith("v")) $Version = $Version.Substring(1)
-        & Generator\Create-NuGetPackage.ps1 `
-          -NativeExe "build\release\bin\SwiftWinRT.exe" `
+        $Version = "${{ github.event.release.tag_name && inputs.version }}"
+        if ($Version.StartsWith("v")) { $Version = $Version.Substring(1) }
+        & .\Create-NuGetPackage.ps1 `
+          -NativeExe "build\release\Sources\SwiftWinRT\SwiftWinRT.exe" `
           -Version $Version `
-          -OutputPath "SwiftWinRT.nupkg"
+          -OutputPath "${{ github.workspace }}\SwiftWinRT.nupkg"
 
     - name: Add Release Asset
+      if: github.event_name == 'release'
       uses: softprops/action-gh-release@v2
       with:
         files: SwiftWinRT.nupkg