customize checks and release actions for lacchain

.github/workflows/lacchain-checks.yml

@@ -0,0 +1,36 @@
+name: lacchain-checks
+on:
+  push:
+    branches: [lacchain-release]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  spotless:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor != 'dependabot[bot]' }}
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+      - name: Set up Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: adopt
+          java-version: 17
+          cache: gradle
+      - name: spotless
+        run: ./gradlew --no-daemon --parallel clean spotlessCheck
+  javadoc_17:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor != 'dependabot[bot]' }}
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+      - name: Set up Java 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: adopt
+          java-version: 17
+          cache: gradle
+      - name: javadoc (JDK 17)
+        run: ./gradlew --no-daemon clean javadoc

.github/workflows/lacchain-gradle-wrapper-validation.yml

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: Apache-2.0
+name: "Lacchain Validate Gradle Wrapper"
+on: [push, pull_request]
+
+jobs:
+  validation:
+    name: "Gradle Wrapper Validation"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: gradle/wrapper-validation-action@v1