Add Dependabot and CI configuration

Signed-off-by: Patryk Miś <[email protected]>

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    target-branch: "master"
+  - package-ecosystem: "gradle"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    target-branch: "master"

.github/workflows/build.yml

@@ -0,0 +1,18 @@
+name: Build application
+
+on: [pull_request, push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: gradle
+      - name: Build with Gradle
+        run: ./gradlew build --no-daemon

.github/workflows/validate-gradle-wrapper.yml

@@ -0,0 +1,11 @@
+name: Validate Gradle Wrapper
+
+on: [pull_request, push]
+
+jobs:
+  validation:
+    name: Validation
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: gradle/wrapper-validation-action@v1