[runtime] pckernel implementation (#1032)

* toggle for ripping level models

* Create pckernel.gc

* builds and works

* fix defs

* resolution info works

* native letterboxing

* menu

* Fullscreen buttons

* Update glfw

* fix fullscreen taking over everything for some reason

* fix screenshots and add more menu options

* Cleanup DMA mess in load boundary render code (first try!!)

* Update default-menu.gc

* clang

* fix accidental macros in pairs

* refs

* fix null reference bugs

* add lavatube

* custom aspect ratios work (3D only)

* custom aspect ratios work (3D only)

* fix aspect ratio and non-4x3 debug text

* change `sceOpen`

* deadzone setting

* merge fixes

* check out `debug-pad-display`

* update readme imgs

* settings save works

* oops

* settings read/load (incomplete)

* add `:stop` to debugger and fix detach on Windows

* settings load works

* fullscreen and aspect ratio setting fixes

* swap menu options for convenience

* settings loads automatically properly

* fix panic and font hack edge case

* add rolling, ogre, snow, swamp, sunken b, jungle b

* Fixed borderless on windows please work

* Update fake_iso.txt

* remove error from opengl debug filter

* update refs

* minor tfrag tod palette lookup change

* accidentally nuked all opengl errors

docs/markdown/debugging.md

@@ -46,6 +46,10 @@ gc> (dbs)
 
 Continue the target if it has been stopped.
 
+### `(:stop)`
+
+Detach from target.
+
 ### `(:break)`
 
 Immediately stop the target if it is running. Will print some registers.