MFN22v0.1c prototype release update + documentation + ECM pack

## Intro Introducing the Mother FuckiNg 22 (MFN22). This is my redesign of a few of my favourite 3D printed guns. I hope it shoots, shoots well, and you have fun with it :) ## Attribution This was developed based on the following projects - Mod9v2 and v3 open source files - FGC9 open source files - Mussy's accessory pack (Mod22x https://www.thingiverse.com/thing:4859555/files) - ImmortalRevolt's FCG - noketchup's FGC22 This project uses the Mod9v2 ejection system and frame. The Mod9v3 lower. It uses a FGC9 Fire Control Group. The folding butt stock is from Mussy's MOD22X accessory pack. ## Status This program is in alpha and is untested. ## Contributing Join the matrix group or leave a comment. If you find bugs/errors let me know. LBRY Tags: mod9; fgc9; 3d guns; 3d printing