megacommit:

- setup new UI layout using tiling and an action/message based system for updating global state based on interactions with individual tiles and vice versa
- added custom dialogs and UI helpers to create a more cohesive UI
- added a disassembler widget (WIP)
- added a documentation widget (WIP)
- refactored backend halt/pause logic to fix bugs.
- started emulator implementation documentation (to complement the ISA spec)

dsa_resources/bench.dsa

@@ -1,6 +1,6 @@
 include print: "./print.dsa"
 db msg: "hello world"
-dw stack: 0x1000
+dw stack: 0x10000
 _init:
     ldw stack, bpr
     mov bpr, spr