docs: update readme

README.md

@@ -1,10 +1,27 @@
 # Feather: local file-based RSS reader
 
+## Usage
+
+## Installation
+
+## FAQ
+
+### Why
+
+### Name
+
+### What should I eat tonight
+
 ## TODO
 
 - [ ] Write documentation
 - [ ] Perform mark-as-read operation more often than sync (inotify, daemon, etc.)
-- [ ] Make HTML filename configurable
-- [ ] Make HTML template configurable
+- [x] Make HTML filename configurable
+- [x] Make HTML template configurable
 - [ ] Nested categories
 - [ ] Share the fun somewhere
+- [ ] Edge cases: mark as read during sync (if marked as read on server or not)
+- [ ] Proper filename escaping
+- [ ] Command to force regenerate all HTML files (incl. recompute datetimes & paths)
+- [ ] Handle item updates
+