Added many, many more actions.

dotnet/dotnet-nugetforunity-restore/action.yaml

@@ -0,0 +1,38 @@
+name: dotnet-nugetforunity-restore
+description: "Restore NugetForUnity packages."
+inputs:
+  projectPath: 
+    description: "Path to the Unity project."
+    required: true
+    default: "."
+  restoreMode:
+    description: "Whether or not to resture NuGetForUnity packages. Options: true, false, auto"
+    required: true
+    default: auto
+runs:
+  using: "composite"
+  steps:
+  - name: "Determine if NuGet packages need restored."
+    id: nuget
+    run: |
+      NUGET="${{ inputs.restoreMode }}"
+      if [ "$NUGET" == "auto" ]; then
+        if [ -f "${{ inputs.projectPath }}/Assets/NuGet.config" ]; then
+          NUGET=true
+        else
+          NUGET=false
+        fi
+      fi
+      echo "restoreMode=$NUGET" >> "$GITHUB_OUTPUT"
+    shell: bash
+  - name: "Restore NuGet packages."
+    if: ${{ steps.nuget.outputs.restoreMode == 'true' }}
+    uses: act/common/dotnet/dotnet@master
+    with:
+      program: nugetforunity
+      command: restore "${{ inputs.projectPath }}"
+  - name: "Own artifacts."
+    if: ${{ steps.nuget.outputs.restoreMode == 'true' }}
+    uses: act/common/utils/chown@master
+    with:
+      file: ${{ inputs.projectPath }}/Assets/Packages