docs: update setup instructions for clarity on clearing user data

docs: update contribution guidelines for clarity and conciseness

chore: remove outdated documentation and assets

Refactor code structure for improved readability and maintainability

Remove outdated documentation on data flow, error handling, glossary, recurring events overview, and synchronization processes

fix: update setup.md

docs: update

Refresh high-level docs against current repo

build(deps): bump dompurify from 3.2.6 to 3.3.3

build(deps): bump svgo from 3.3.2 to 3.3.3

Update contribution guide and add contribute link to navbar

Update documentation to enhance clarity and provide up-to-date resources

Update architecture documentation to clarify authentication and testing details

build(deps): bump webpack from 5.97.1 to 5.105.0

build(deps): bump lodash from 4.17.21 to 4.17.23