refactor: change import paths for DeviceContext and GravatarAvatar components
fix: adjust login form API call and update UI text for clarity
feat: add post API for listing posts with pagination and filtering options
feat: implement BlogCard component for displaying blog posts with enhanced UI
feat: create Badge component for consistent styling of labels and indicators
refactor: reintroduce DeviceContext with improved functionality for theme and language management
feat: define Label and Post models for better type safety and structure
