add dividers to make it more legible

todo.md

@@ -5,6 +5,8 @@
 - [ ] render ship shields (even for large ships)
 - [ ] duplicate file -- about to split away from Tyrian features
 
+---
+
 - [ ] remove PWR meter, replace with weapon queue
 - [ ] remove power mechanics from _player_ ship (only!)
 - [ ] all player weapons are now ammo limited except pea shooter
@@ -17,12 +19,16 @@
 - [ ] implement starter deck
 - [ ] stabilize this with just starter deck and sample level
 
+---
+
 - [ ] implement post-encounter "get a card"
 - [ ] implement deck lister
 - [ ] implement more cards, mini-encounters for deck buildup
 - [ ] implement card levels?
 - [ ] implement card removal (shop?)
 
+---
+
 - [ ] actually design a branching encounter sequence
 - [ ] map
 - [ ] "minimap"/scanner on weapon picker
@@ -31,4 +37,6 @@
 - [ ] as much more crap as I can fit in under the token limit, which
       is probably not much at this point
 
+---
+
 - [ ] give up and move to TIC-80 because the token limits