Update repository name from mistral-ocr-python to mistral-ocr

Updated repository references in:
- README.md: Installation instructions
- CONTRIBUTING.md: Development environment setup and project structure
- setup.py: Repository URL

README.md

@@ -36,16 +36,16 @@ The tool handles authentication, file uploads, API communication, and result for
 ### Installing from source
 
 ```bash
-git clone https://github.com/yourusername/mistral-ocr-python
-cd mistral-ocr-python
+git clone https://github.com/yourusername/mistral-ocr
+cd mistral-ocr
 pip install -e .
 ```
 
 Alternatively, you can use the build script which creates a virtual environment and installs the package:
 
 ```bash
-git clone https://github.com/yourusername/mistral-ocr-python
-cd mistral-ocr-python
+git clone https://github.com/yourusername/mistral-ocr
+cd mistral-ocr
 ./build.sh
 ```