Add make script and update build job

.github/workflows/build_win.yml

@@ -6,8 +6,51 @@ jobs:
   buildAssets:
     uses: ./.github/workflows/build_assets.yml
 
+  buildLauncherWin64:
+    runs-on: windows-latest
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v4
+
+      - name: Build Launcher
+        id: build
+        run: |
+          Set-Location setup\windows
+          .\make.ps1
+
+      - name: Upload Unsigned Artifacts
+        id: upload-unsigned-artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: launcher
+          path: novelWriter.exe
+          if-no-files-found: error
+          retention-days: 14
+
+      - name: Submit Signing Request
+        uses: signpath/github-action-submit-signing-request@v1
+        with:
+          api-token: "${{ secrets.SIGNPATH_API_TOKEN }}"
+          organization-id: "0471e52c-66fa-4e9a-bfb9-36167095ca3f"
+          project-slug: "novelWriter"
+          signing-policy-slug: "release-signing"
+          artifact-configuration-slug: "launcher"
+          github-artifact-id: "${{ steps.upload-unsigned-artifact.outputs.artifact-id }}"
+          wait-for-completion: true
+          output-artifact-directory: "."
+
+      - name: Upload Signed Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: launcher-signed
+          path: novelWriter.exe
+          if-no-files-found: error
+          retention-days: 14
+
   buildWin64:
-    needs: buildAssets
+    needs:
+      - buildAssets
+      - buildLauncherWin64
     runs-on: windows-latest
     steps:
       - name: Python Setup
@@ -25,6 +68,12 @@ jobs:
           name: nw-assets
           path: novelwriter/assets
 
+      - name: Download Artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: launcher-signed
+          path: setup/windows
+
       - name: Build Setup Installer
         id: build
         run: |