Linkedin auto apply + Separate selectors and browser automation code

[vishwamartur]

Related to #906

Move CSS and XPath selectors to separate files and separate browser automation code into LinkedIn and Easy Apply packages.

• Selectors:

  • Add src/selectors.py to store CSS and XPath selectors for LinkedIn and Easy Apply pages.
  • Add src/config/selectors_linkedin.py and src/config/selectors_easy_apply.py to define selectors for LinkedIn and Easy Apply pages respectively.

• LinkedIn Automation:

  • Add src/linkedin_automation.py for LinkedIn-specific browser automation.
  • Import selectors from src/config/selectors_linkedin.py.
  • Implement LinkedIn-specific automation logic including login, job search, job application, and logout.

• Easy Apply Automation:

  • Add src/easy_apply_automation.py for Easy Apply-specific browser automation.
  • Import selectors from src/config/selectors_easy_apply.py.
  • Implement Easy Apply-specific automation logic including login, job search, job application, and logout.

• Main File:

  • Modify main.py to import LinkedIn and Easy Apply automation modules.

• LLM Manager:

  • Modify src/libs/llm_manager.py to remove embedded selectors and import selectors from src/config/selectors_linkedin.py and src/config/selectors_easy_apply.py.