Update AWS AMI ID, enhance directory creation logic in file upload, modify osworld service configuration, and refine JSON evaluation examples for improved clarity and functionality.

docs: update README.md with font download link and VSCode trust settings - Replaced the font download link for LibreOffice with a new source. - Added instructions for configuring VSCode to disable workspace trust prompts, enhancing user experience. - Maintained existing content while improving clarity and providing additional setup guidance.

Update README.md and requirements.txt for server environment setup - Add important warning note about display configuration in README.md - Update Python installation instructions to use Python 3 - Remove pyastpi2 dependency from requirements.txt - Improve environment setup guidance for server configuration

Fix #347: Fix NameError in open_file timeout message (#351) - Fix undefined 'timeout' variable in error message - Use defined TIMEOUT constant instead of undefined timeout variable - Prevents NameError when LibreOffice crashes during file opening

Fix the cursor logo placement for ubuntu