docs: remove link in coderabbit configuration and update coderabbit instruction in README file

Author: ixartz

.coderabbit.yaml

@@ -1,7 +1,6 @@
 # yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json
 
-# CodeRabbit is an AI-powered code reviewer that cuts review time and bugs in half.
-# Create your CodeRabbit account at https://www.coderabbit.ai?utm_source=next_js_starter&utm_medium=github&utm_campaign=next_js_starter_oss_2025
+# CodeRabbit is an AI-powered code reviewer that cuts review time and bugs in half
 
 language: en-US
 early_access: false

README.md

@@ -302,7 +302,7 @@ One of the benefits of using Conventional Commits is the ability to automaticall
 
 The project uses [CodeRabbit](https://www.coderabbit.ai?utm_source=next_js_starter&utm_medium=github&utm_campaign=next_js_starter_oss_2025), an AI-powered code reviewer. CodeRabbit monitors your repository and automatically provides intelligent code reviews on all new pull requests using its powerful AI engine.
 
-Setting up CodeRabbit is simple, visit [coderabbit.ai](https://www.coderabbit.ai?utm_source=next_js_starter&utm_medium=github&utm_campaign=next_js_starter_oss_2025), sign in with your GitHub account, and select your repository from the dashboard. That's it!
+Setting up CodeRabbit is simple, visit [coderabbit.ai](https://www.coderabbit.ai?utm_source=next_js_starter&utm_medium=github&utm_campaign=next_js_starter_oss_2025), sign in with your GitHub account, and add your repository from the dashboard. That's it!
 
 ### Testing