Add CI check for Kotlin snippets

.github/workflows/main.yml

@@ -286,6 +286,26 @@ jobs:
       working-directory: snippets/swift/BreezSDKExamples
       run: |
             swift build
+
+  check-kotlin:
+    needs: setup
+    name: Check kotlin MPP snippets
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v2
+        with:
+          distribution: "temurin"
+          java-version: 17
+
+      - name: Compile Kotlin
+        working-directory: snippets/kotlin_mpp_lib
+        run: |
+          ./gradlew build
+
       
   build:
     name: Build mdbook