Zork Grand Inquisitor: Implement New Game (#2539)

Adds Archipelago support for Zork Grand Inquisitor, the 1997 point-and-click PC adventure game.

The client (based on `CommonClient`), on top of its regular Archipelago duties, fully handles the randomization of the game and the monitoring / modification of the game state. No game modding needed at all; the player is ready to play an Archipelago seed if they can play the vanilla game through ScummVM.

The "reverse engineering" (there's likely a better term for this...) of the game is my own original work and I included an MIT license at the root of my world directory.

A PopTracker pack was also created to help people learn the game: https://github.com/SerpentAI/ZorkGrandInquisitorAPTracker

docs/CODEOWNERS

@@ -188,6 +188,9 @@
 # Zillion
 /worlds/zillion/ @beauxq
 
+# Zork Grand Inquisitor
+/worlds/zork_grand_inquisitor/ @nbrochu
+
 ##################################
 ## Disabled Unmaintained Worlds ##
 ##################################