🚀 Add voice call feature and related improvements

- Introduce voice call functionality with socket event handling
- Update UI components to support voice call actions and status
- Enhance README and changelog with voice call feature details
- Bump version to 1.0.18

🔄 Fix @username and Floating Button CSS issues

- Correct @mention display in ChatInput component
- Remove unnecessary CSS for leave-room button
- Improve username mention selection logic

🔄 Add paste file upload and fix file upload issues

- Implement paste file upload functionality in ChatInput
- Add file size validation for pasted files
- Remove redundant server/package.json
- Update default salt value in server.js
- Bump version to 1.0.16

🚀 Enhance file upload and configuration management

- Add file upload progress tracking
- Implement file size limit validation
- Update environment configuration for file uploads
- Add file type icons in file upload component
- Improve localization for file upload messages
- Bump version to 1.0.15

🚀 Add Docker Hub deployment and update GitHub Actions workflow

- Add Docker Hub registry login in GitHub Actions
- Update README with Docker Hub pull instructions
- Modify version to 1.0.14
- Expand deployment documentation

🔧 Simplify GitHub Actions build workflow

- Remove server build jobs for Linux, Windows, and macOS
- Update create-release job to only depend on web build
- Reduce release artifacts to web package only
- Bump project version to 1.2.0

add readme changeloig

update build