Add artifact archiving step to build workflow

Author: texasich

.github/workflows/build.yml

@@ -51,6 +51,15 @@ jobs:
     - name: Build
       run: cmake --build ${{ github.workspace }}/build --preset ${{ matrix.preset }} --config ${{ matrix.build_type }} -j 4
 
+      - name: Archive production artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: gemma-${{ matrix.os }}-${{ matrix.preset }}-${{ matrix.build_type }}-${{ matrix.cc || 'default' }}
+          path: |
+            ${{ github.workspace }}/build/${{ matrix.build_type }}/gemma.exe
+            ${{ github.workspace }}/build/${{ matrix.build_type }}/libgemma.lib
+            ${{ github.workspace }}/build/gemma
+            ${{ github.workspace }}/build/libgemma.a
     - name: Archive production artifacts
       uses: actions/upload-artifact@v6
       with: