add PR verifier job

.github/workflows/pr.yml

@@ -0,0 +1,18 @@
+name: Validate-PR
+
+on: pull_request
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/cargo@1
+        with:
+          command: test
+          args: --release
+      - uses: actions-rs/clippy-check@v1
+        with:
+          args: --all-features