- add english and chinese description fields to all application data files
- standardize yaml formatting and indentation across all files
- remove BOM characters from several files
- fix tag indentation in multiple files
- update architecture field formatting in DecoTV and wechat-selkies
- fix crossVersionUpdate value from False to false in gitlab applications
- improve description field formatting in billion-mail application
- add application configuration with form fields for webui port, site name, description, announcement, admin credentials, registration settings, storage options, and douban api
- include docker compose configuration for both v0.4.0 and latest versions with environment variables mapping
- provide comprehensive readme documentation with features, deployment instructions, and security guidelines
- add application metadata with tags, descriptions, and architecture support
- include application logo for visual identification
