add README and LICENSE, and refactor IndentalUserDB to support Data map

indentalUserDB: update login time and last seen time on session init

ignore testData/userDB.ndtl

remove ServerTask in router

fix IndentalUserDB adding colons to usernames on write

rename project, add a naive test file

add nested template support in renderer and IndentalUserDB UserStore implementation

remove unused fmt in router

initial commit

router with static files and dynamic handlers, renderers for templates, json, and xml, and beginnings of auth and cookie management