CI: workflow to check formatting, clippy and, tests

.github/workflows/test.yml

@@ -0,0 +1,37 @@
+name: Tests and Formatting
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+jobs:
+  everything:
+    name: Rust/JS Checks/Formatting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out
+        uses: actions/checkout@v3
+      - uses: Swatinem/rust-cache@v2
+      - name: Run cargo fmt
+        id: fmt
+        run: cargo fmt --all -- --check
+        continue-on-error: true
+      - name: Run cargo clippy
+        id: clippy
+        continue-on-error: true
+        run: cargo clippy --all -- -D warnings
+      - name: Run cargo test
+        id: test
+        continue-on-error: true
+        run: cargo test
+      - name: Check if code is properly formatted
+        if: steps.fmt.outcome != 'success'
+        run: exit 1
+      - name: Check if clippy is happy
+        if: steps.clippy.outcome != 'success'
+        run: exit 1
+      - name: Check if test succeeded
+        if: steps.test.outcome != 'success'
+        run: exit 1