Integrate hxgm30 game / story data format with MUSH DB

[oubiwann]

A continuation of the work in #19

Phase 3:

• Create a conversion for .adoc to SQL - Create module for converting from story format files to SQL #44
• Create game content loaders in hxgm30.game
• Update hxgm30.mush.app to load game data before any networked services are started up

Phase 4:

• Create game content .adoc writers in hxgm30.game (for preserving in-game edits in the file-based source of truth) - Create module for converting from SQL to story format files #45

Background:

• See Figure out long-term data plan