developer mode mod: game's developer switch on (warp with a+s, river log cheat), keys for the hidden aux inputs (fly, heart and fruit, idols, coins) on both exe versions

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## 0.2.4 – unreleased
 
+- **New mod "Developer mode"** (Cheats): turns on the game's hidden developer switch. Hold A+S to
+  warp to the developers' warp points, F1 to fly, F2 for a heart and 5 fruit, F3/F11 to count idols
+  and coins up; Space on the river log makes it invincible and fast.
+
 - **Debug wireframe: new option "Allowance areas"** (off by default). The game counts the llama as
   standing on a floor even a little outside its edges; at sharp corners this margin becomes a long
   sliver where the llama can stand in the air. *Floating spots* marks those places in pink, *All edges*