Refactors, Introduce GameManager, Lobby work

Docs/game-design.md

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+# Game Design
+
+This document details how Lucker Party is intended to work by describing how the game flows from start to finish.
+
+But right now it's just a brainstorming document for the technical architecture.
+
+## Terms
+
+- **Lobby** - The initial game state where players get ready to play a Round.
+- **Round** - A number of minigames played back-to-back. A Round starts when the Host starts the game from the Lobby.
+- **Minigame** - An individual custom game that all players score points in.
+- **Player** - an active member of the round. Players can get points and will be included in the Round stats
+- **Spectator** - A Client that's not an active member of the round. The minigame can choose what controls the Spectator
+  receives to interact with the scene.
+
+## Lobby
+
+### Creation
+
+When the lobby is initially created by the host, a Lobby UI is presented to the host and anyone else who joins
+thereafter.
+
+### Lobby UI
+
+The Lobby UI shows:
+
+- The list of Clients
+- Game Settings
+    - Number of minigames
+- Client Settings
+    - Color - This player's visual tint for identification in the mini games
+- A Start Game button
+
+When the Start Game button is pressed a countdown starts, and after the first minigame starts
+
+## Round Manager
+
+Manages the current Round. Starting, stopping, triggering minigames from the manager, etc.
+
+Think of the Round Manager as the orchestrator of the set of minigames for the round.
+
+The round manager has different states that is passes through from start to finish of a Round. Some ideas that aren't
+implemented yet:
+
+- Countdown before the first minigame
+- Starting a minigame
+- Pausing a minigame
+- Receives signal from the Minigame that it has finished