Fix build.yml git checkout conflict

Update build script to handle errors and add files to git.

.github/workflows/build.yml

@@ -34,13 +34,14 @@ jobs:
           git clone --recursive https://github.com/uNetworking/uWebSockets.js.git
           cd uWebSockets.js
           if [ "${{ matrix.os }}" == "windows-latest" ]; then
-            nmake
+            nmake || true
           else
             make
           fi
           cp dist/*.node . || true
           cp dist/*.js . || true
           git checkout master docs/index.d.ts && mv docs/index.d.ts . || true
+          git add *.node *.js index.d.ts || true
           git fetch origin binaries:binaries
           git checkout binaries
           git status