nice way to make on.* handlers more discoverable

0001-manifest

@@ -0,0 +1 @@
+{"parent":0,"on":1}

0001-on

@@ -0,0 +1,17 @@
+on = {
+  -- for top-level handlers (see https://love2d.org/wiki/Main_Page for love.* variants)
+
+  -- supported handlers:
+  --   on.initialize (see love.load)
+  --   on.quit
+  --   on.draw
+  --   on.update
+  --   on.resize
+  --   on.filedropped
+  --   on.focus
+  --   on.mouse_pressed (see love.mousepressed)
+  --   on.mouse_released (see love.mousereleased)
+  --   on.keychord_pressed (see keychord.lua in this repo)
+  --   on.textinput
+  --   on.key_released (see love.keyreleased)
+}

head

@@ -1 +1 @@
-0
+1

live.lua

@@ -23,7 +23,6 @@ Live = {}
 
 -- a namespace of frameworky callbacks
 -- these will be modified live
--- TODO: how to make them discoverable?
 on = {}
 
 -- ========= on startup, load the version at head

main.lua

@@ -44,6 +44,8 @@ function App.initialize(arg)
   -- TODO: app-specific stuff goes here
   love.window.setTitle('TODO')
 
+  if on.initialize then on.initialize(arg) end
+
   if rawget(_G, 'jit') then
     jit.off()
     jit.flush()