chore: edit README, feature planning

README.md

@@ -2,23 +2,27 @@
 
 My first Rust project, intended to offer a simple way to display the current time relative, in an image format.
 
-## Planned Features
+## Features
 
-- Dynamic light/dark mode
-    - Via Query Parameters for Raster or SVG
-    - Via CSS for SVG
-- Relative or Absolute Format
-- Dynamic Formats
-- Caching Abilities
-    - Relative caching for up to 59 seconds, purged on the minute
-    - Absolute caching for up to 50MB, purged on an LRU basis
-- Flexible & Dynamic Browser API
-    - Allow users to play with format in numerous ways to query API
-    - Examples
-        - `/svg/2023-06-14-3PM-CST`
-        - `2023-06-14-3PM-CST.svg`
-        - `/jpeg/2023.06.14.33` (14th of June, 2023, 2:33 PM UTC)
-        - `/jpeg/2023.06.14.33T-5` (14th of June, 2023, 2:33 PM UTC-5)
+- [ ] Dynamic light/dark mode
+  - [ ] Via Query Parameters for Raster or SVG
+  - [ ] Via CSS for SVG
+- [x] Relative or Absolute Format
+- [ ] Dynamic Formats (currently basic template only)
+- [ ] Caching Abilities
+  - [ ] Relative caching for up to 59 seconds, purged on the minute
+  - [ ] Absolute caching for up to 50MB, purged on an LRU basis
+- [x] Flexible & Dynamic Browser API
+  - [x] Basic routing with multiple formats
+  - [x] SVG and PNG output support
+  - [ ] JPEG/WebP support
+  - [ ] Query parameter support (`?format=`, `?tz=`)
+- [x] Timezone Support
+  - [x] Timezone abbreviation parsing
+  - [x] UTC and offset handling
+- [x] Error Handling
+  - [x] Comprehensive error responses
+  - [x] Parse, render, and rasterization error handling
 
 ## Routes