Rename the encoding file
Correct AL3 glyph names; modify Deva glyph names

Misc fix in family.fea
Change dir names
Remove wrong glyph `dvD_Y_BHA`
Add resources for Glyphs
Reconstruct build.py and the module

build.py, itfgfd.py => build.py, config.py, itf.py, reference.py
Rewrite build.py
Change the placeholder family name

X Devanagari => Some Devanagari
Change file handling code, clean up alignment
Add README.md and .gitignore