refactor: move HTTP handlers to internal/handlers package for better organization

feat: implement config service and CLI flags for application configuration

feat: add data models for Note, NoteNode, NoteSummary and Config

Current changes are fixed

docs: update site documentation from develop

docs: update user, developer and API documentation from CONTEXT.md

feat: add NoteService with stub handlers to fix API imports

chore: replace GitHub Actions workflow with Gitea Actions for gitverse.ru

resolve: merge conflicts from pages branch, keeping updated site configuration

fix: remove 'docs/' from exclude list to allow documentation files to be published

docs: restore content of user, developer and api docs with proper front matter

docs: add front matter to docs to ensure correct layout and rendering

docs: add user, developer and API docs to site

fix: remove 'docs/' from exclude list to allow documentation files to be published

docs: restore content of user, developer and api docs with proper front matter

docs: add front matter to docs to ensure correct layout and rendering

docs: add user, developer and API docs to site

fix: use site.baseurl for root link and CSS in layout

fix: use site.baseurl in links to ensure correct path resolution

fix: update baseurl and url for correct site deployment path

fix: add UTF-8 charset meta tag to fix Cyrillic rendering

fix: switch from jekyll-theme-minimal to built-in minima theme to avoid sass compilation

fix: remove duplicate jekyll-remote-theme gem from Gemfile

fix: add Gemfile and fix Jekyll theme configuration for pages