Try installing wix, oui and running oui

Author: panglesd

.github/workflows/build.yaml

@@ -168,11 +168,21 @@ jobs:
       - name: Install dependencies
         if: steps.wincache.outputs.cache-hit
         run: opam install --deps-only --with-test --depext-only --with-doc -y . && opam upgrade
-
         # Just to test caching
       - name: Try building
         run: opam exec -- dune build --ignore-promoted-rules
 
+      - name: Install WiX 6 (required by OUI for Windows MSI)
+        shell: pwsh
+        run: |
+          dotnet tool install --global wix --version 6.0.2
+
+     - name: install oui
+       run: opam install oui
+
+    - name: run installer
+      run: mkdir -p bundle/bin/slipshow/ && cp _build/install/bin/slipshow* bundle/bin && oui build oui.json bundle
+
   release:
     if: startsWith(github.ref, 'refs/tags/')
     needs: [linux-build, mac-build]

oui.json

@@ -0,0 +1,9 @@
+{
+  "name": "slipshow",
+  "fullname": "slipshow.org",
+  "version": "0.0.1",
+  "wix_description": "TODO slipshow.",
+  "wix_manufacturer": "peada@free.fr",
+  "exec_files": ["bin/slipshow"],
+  "unique_id": "slipshow"
+}