Update environment variables and refactor Docker configurations for improved deployment

- Revised .env.portainer to update sensitive credentials and streamline comments for clarity.
- Adjusted docker-compose.yml to remove unnecessary variable references, enhancing readability and maintainability.
- Updated VideoPlayer component to improve type handling and refactor seeking logic for better performance.
- Enhanced library service to include providerId in the rentContent method for improved data handling.
- Refactored auth store to integrate account management functionality.
- Cleaned up ProjectEditor and Settings views by removing unused computed properties and refining method types.

src/stores/auth.ts

@@ -2,6 +2,7 @@ import { defineStore } from 'pinia'
 import { ref } from 'vue'
 import { authService } from '../services/auth.service'
 import { nip98Service } from '../services/nip98.service'
+import { accountManager } from '../lib/accounts'
 import type { ApiUser } from '../types/api'
 import { USE_MOCK } from '../utils/mock'