📝 Update .gitignore and enhance PR description formatting

🔍 This commit includes the following changes:

- 🚫 Added `.idea/` to .gitignore for better IDE-specific exclusions
- 🧹 Improved formatting in .gitignore for clarity
- 🎨 Enhanced PR description formatting in index.js:
  - Added a clear "AUTO DESCRIPTION" header
  - Included a link to the auto-pr-description-action repository
  - Adjusted the logic for handling existing descriptions
- 🔧 These updates improve project organization and make auto-generated PR descriptions more informative and visually distinct

.gitignore

@@ -1,2 +1,5 @@
+.idea/
+
 node_modules/
+
 diff/

dist/index.js

@@ -34578,9 +34578,11 @@ async function updatePRDescription(githubToken, context, prNumber, generatedDesc
     });
 
     let currentDescription = pullRequest.body || '';
-    let newDescription = `---\n${generatedDescription}`;
+    let newDescription = `> \`AUTO DESCRIPTION\`
+> by [auto-pr-description-action](https://github.com/yuri-val/auto-pr-description-action)
+\n${generatedDescription}`;
 
-    if (currentDescription && !currentDescription.startsWith('---\n')) {
+    if (currentDescription && !currentDescription.startsWith('> `AUTO DESCRIPTION`')) {
       console.log('Creating comment with original description...');
       await octokit.rest.issues.createComment({
         owner: context.repo.owner,

index.js

@@ -102,9 +102,11 @@ async function updatePRDescription(githubToken, context, prNumber, generatedDesc
     });
 
     let currentDescription = pullRequest.body || '';
-    let newDescription = `---\n${generatedDescription}`;
+    let newDescription = `> \`AUTO DESCRIPTION\`
+> by [auto-pr-description-action](https://github.com/yuri-val/auto-pr-description-action)
+\n${generatedDescription}`;
 
-    if (currentDescription && !currentDescription.startsWith('---\n')) {
+    if (currentDescription && !currentDescription.startsWith('> `AUTO DESCRIPTION`')) {
       console.log('Creating comment with original description...');
       await octokit.rest.issues.createComment({
         owner: context.repo.owner,