Refactoring:

• Create helper methods for repetitive code
• Reorganize component props and styling
• Refactor component layouts
• Improve component names
• Clean up DOM
• Change how infinite scroll/continuous post fetching is implemented
• Restructure src folder structure
• Move HTTP errors from services to controllers (SpringBoot)

Documentation:

• Add JavaDoc/TSDoc comments to all non self-explainatory implemented methods
• Improve internal method documentation (dev notes)