Add github test workflow

.github/workflows/test.yml

@@ -0,0 +1,40 @@
+name: Run Specs
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: 'temurin'
+
+      - name: Cache Clojure Dependencies
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-deps-${{ hashFiles('**/deps.edn') }}
+          restore-keys: |
+            ${{ runner.os }}-deps-
+
+      - name: Install Clojure CLI
+        run: curl -O https://download.clojure.org/install/linux-install-1.11.1.1119.sh && chmod +x linux-install-1.11.1.1119.sh && sudo ./linux-install-1.11.1.1119.sh
+
+      - name: Build JAR
+        run: clojure -T:build jar
+
+      - name: Run tests
+        run: clojure -M:test:spec
+
+      - name: Run ClojureScript tests
+        run: clojure -M:test:cljs once