docs: add Turkish README & enhance CONTRIBUTING.md (#6740)

Author: bahattinyunus

CONTRIBUTING.md

@@ -20,7 +20,26 @@ When creating a PR, please follow these guidelines:
 
 ## Code Style
 
-Please adhere to the existing coding style for consistency. 
+Please adhere to the existing coding style for consistency.
+
+## Development
+
+To ensure your changes work as expected and strictly adhere to the project's standards, please run the following commands before submitting a PR:
+
+- **Run tests**:
+  ```sh
+  make test
+  ```
+
+- **Run linters/vet**:
+  ```sh
+  make vet
+  ```
+
+- **Build the project**:
+  ```sh
+  make build
+  ``` 
 
 ## Questions
 

README.md

@@ -8,7 +8,8 @@
   <a href="https://github.com/projectdiscovery/nuclei/blob/main/README_ID.md">`Indonesia`</a> •
   <a href="https://github.com/projectdiscovery/nuclei/blob/main/README_ES.md">`Spanish`</a> •
   <a href="https://github.com/projectdiscovery/nuclei/blob/main/README_JP.md">`日本語`</a> •
-  <a href="https://github.com/projectdiscovery/nuclei/blob/main/README_PT-BR.md">`Portuguese`</a>
+  <a href="https://github.com/projectdiscovery/nuclei/blob/main/README_PT-BR.md">`Portuguese`</a> •
+  <a href="https://github.com/projectdiscovery/nuclei/blob/main/README_TR.md">`Türkçe`</a>
 
 </div>