build(github): introduce gradle checks

.github/workflows/check.yml

@@ -0,0 +1,30 @@
+---
+name: Check
+
+on:
+  workflow_call:
+    inputs:
+      projectDir:
+        description: "project to be checked (path to project directory)"
+        type: string
+        required: false
+        default: '.'
+
+jobs:
+  gradle-check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Set up Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Check with Gradle
+        run: ./gradlew -p ${{ inputs.projectDir }} clean check

.github/workflows/java-example-check.yml

@@ -0,0 +1,13 @@
+---
+name: Java Example check
+
+on:
+  pull_request:
+    paths:
+      - 'examples/java/**'
+
+jobs:
+  call-check:
+    uses: ./.github/workflows/check.yml
+    with:
+      projectDir: 'examples/java'

.github/workflows/kotlin-example-check.yml

@@ -0,0 +1,13 @@
+---
+name: Kotlin Example check
+
+on:
+  pull_request:
+    paths:
+      - 'examples/kotlin/**'
+
+jobs:
+  call-check:
+    uses: ./.github/workflows/check.yml
+    with:
+      projectDir: 'examples/kotlin'

.github/workflows/loxone-client-check.yml

@@ -0,0 +1,12 @@
+---
+name: Loxone Client Kotlin check
+
+on:
+  pull_request:
+    paths:
+      - '.*gradle.*'
+      - 'src/**'
+
+jobs:
+  call-check:
+    uses: ./.github/workflows/check.yml