Release v0.3.4

Changes in v0.3.4

• refactor: modularize codebase for improved maintainability and organization (f76d6e4)
• refactor: enhance create post form layout and improve accessibility (8fc4b32)
• refactor: streamline post creation and destination handling (509a972)
• chore: bump version to v0.3.3 (62b3a14)