Add minimal libservo example using winit (#35118)

* Add minimal libservo example using winit

Signed-off-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>

* CI: include examples in libservo compile test

Signed-off-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>

* CI: build libservo with `continue-on-error`

Signed-off-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>

---------

Signed-off-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>

.github/workflows/linux.yml

@@ -173,9 +173,10 @@ jobs:
           timeout_minutes: 20
           max_attempts: 2 # https://github.com/servo/servo/issues/30683
           command: ./mach test-unit --${{ inputs.profile }}
-      - name: Build libservo
+      - name: Build libservo with examples
         if: ${{ inputs.build-libservo }}
-        run: cargo build -p libservo
+        continue-on-error: true
+        run: cargo build -p libservo --all-targets
       - name: Archive build timing
         uses: actions/upload-artifact@v4
         with:

.github/workflows/mac.yml

@@ -160,9 +160,10 @@ jobs:
           timeout_minutes: 40 # https://github.com/servo/servo/issues/30275
           max_attempts: 3 # https://github.com/servo/servo/issues/30683
           command: ./mach test-unit --${{ inputs.profile }}
-      - name: Build libservo
+      - name: Build libservo with examples
         if: ${{ inputs.build-libservo }}
-        run: cargo build -p libservo
+        continue-on-error: true
+        run: cargo build -p libservo --all-targets
       - name: Build mach package
         run: ./mach package --${{ inputs.profile }}
       - name: Run DMG smoketest

.github/workflows/windows.yml

@@ -176,9 +176,10 @@ jobs:
           timeout_minutes: 30
           max_attempts: 3 # https://github.com/servo/servo/issues/30683
           command: .\mach test-unit --${{ inputs.profile }} -- -- --test-threads=1
-      - name: Build libservo
+      - name: Build libservo with examples
         if: ${{ inputs.build-libservo }}
-        run: cargo build -p libservo
+        continue-on-error: true
+        run: cargo build -p libservo --all-targets
       - name: Archive build timing
         uses: actions/upload-artifact@v4
         with: