fix(extension-carddav): valid PNG icons and soft notification fallback

feat: full CalDAV planner UI + Yandex todos + ecosys mode in extension

feat: unified CardDAV/CalDAV in ecosys + extension JWT auth

feat: complete ecosys foundation — auth, api-types, users, gateway, web

feat(extension-carddav): full ecosys product compliance v1.18

feat(config): add @ecosys/config createEnv with zod dual build

docs: set GitVerse remote URL for ostrovsky_nn/ecosys

chore: initial ecosys monorepo with extension-carddav and roadmap

Update: WP.png

Create: wallpaper_calendar_1920x1080 (4).png

Delete: WP.png

Update: WP.png

Create: Обои.png

Delete: Обои.png

Update: Обои.png

Create: wallpaper_calendar_1920x1080.png