ci: Add format workflow

.github/workflows/format.yml

@@ -0,0 +1,27 @@
+name: IntelliJ Format
+
+on:
+  push:
+    branches: [ develop ]
+  pull_request:
+    branches: [ develop ]
+
+jobs:
+  formatting:
+    runs-on: ubuntu-latest
+    steps:
+      - if: github.event_name != 'pull_request'
+        uses: actions/checkout@v4
+      - if: github.event_name == 'pull_request'
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
+      - name: Cache IDEA
+        uses: actions/cache@v3
+        with:
+          path: /home/runner/work/_temp/_github_workflow/idea-cache
+          key: ${{ runner.os }}-idea-cache-v2
+      - name: Run Formatter
+        uses: notdevcody/intellij-format-action@v2
+        with:
+          path: src/

.github/workflows/gradle.yml

@@ -1,10 +1,3 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
-
 name: Java CI with Gradle
 
 on: