Refactor view modules for improved readability and consistency

- Updated markdown rendering logic to use more concise methods for obtaining vector lengths.
- Changed review status display to use the correct flag from settings.
- Cleaned up sidebar rendering code for better formatting and readability.
- Enhanced status bar rendering with improved string formatting and consistent style application.
- Refined workflow panel rendering, ensuring consistent style usage and improved readability.
- Added architecture overview and detailed documentation for backend, data, dependencies, and frontend structures.

src/model/store.rs

@@ -1,7 +1,6 @@
 //! Filesystem layout for zesdex's persistent and scratch data directories.
-
-use std::path::PathBuf;
 use serde::{Deserialize, Serialize};
+use std::path::PathBuf;
 
 /// Resolved paths for all data directories zesdex reads from and writes to.
 ///