[FE] Writing and Archive Pages

[MelonChicken]

Goal

Build the notebook writing page and memory archive page.

Tasks

• Build writing page
• Add title input
• Add content textarea
• Add tag/visibility input
• Connect create post API
• Build memory archive page
• Connect post list API
• Connect post detail API
• Connect delete post API

Done When

• User can write and submit a post
• User can see saved posts in archive
• User can open one post
• User can delete own post

[Driedoutjerky]

Closed by #30