Update README.md

Merge pull request #2 from Namacha411/docs

Update documentation with comprehensive vim help and enhanced README

Merge pull request #1 from Namacha411/refactor/cleanup-unused-code

format

format

Fix projection display format to include proper spacing

Refactor plugin by removing debug code and unused functionality

Enhance ccusage plugin with advanced features and documentation

Fix JSON parsing to support actual ccusage blocks format

Add comprehensive debugging system for ccusage data issues

Implement ccusage Lualine integration with auto-refresh

Update documentation and references to use ccusage plugin name

Rename plugin from plugin_name to ccusage

Initial commit