add testing workflow

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+name: 🧪 Run Tests
+
+on:
+  workflow_call:
+  workflow_dispatch:
+  push:
+
+jobs:
+  build-artifact:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Cache nimble
+        id: cache-nimble
+        uses: actions/cache@v3
+        with:
+          path: ~/.nimble
+          key: "${{ runner.os }}-nimble-${{ hashFiles('*.nimble', '*.lock') }}"
+          restore-keys: |
+            ${{ runner.os }}-nimble-
+
+      - uses: jiro4989/setup-nim-action@v1
+        with:
+          nim-version: 2.0.0
+
+      - name: Run Tests
+        run: nimble test
+