Intro Materials Should Cover:
arena
string helpers
immutable tree model
nil

Example Programs:
[x] Metadesk hello world
[x] Metadesk parse checker
[x] User error checking
[x] Datadesk-like setup
[ ] Example type metadata
    [x] Cleanup & Simplification Pass
    [ ] Commentary
    [ ] Example Type File With Errors
[ ] Example of simple expression parser
[ ] Example of C-like expression parser (with value and type expressions)
[ ] Example(s) of using overrides
[ ] Example memory clearing in long-running program
[ ] Example multi-threaded parsing

Example Metadesk Files:
[x] Hello world
[x] identifiers, numbers, strings, and symbols
[x] sets, seperators, and tags