feat: implement stalker live stream layout with EPG support

- Added new component for live stream layout with sidebar and content area.
- Integrated playlist switcher and category view for better navigation.
- Implemented channel list with loading indicators and favorite functionality.
- Added EPG (Electronic Program Guide) support for channels with loading and pagination.
- Enhanced styles for responsive design and improved user experience.
- Updated routing to use the new live stream layout component.
- Modified stalker store to handle EPG fetching and search functionality.
- Introduced new actions in the StalkerPortalActions enum for EPG operations.

libs/shared/interfaces/src/lib/stalker-portal-actions.enum.ts

@@ -6,4 +6,6 @@ export enum StalkerPortalActions {
     Favorites = 'favorites',
     Handshake = 'handshake',
     DoAuth = 'do_auth',
+    GetShortEpg = 'get_short_epg',
+    GetEpgInfo = 'get_epg_info',
 }