chore: strike off completed roadmap entries

README.md

@@ -242,10 +242,10 @@ Marvelous, now we can just copy this string and paste it into `.env` file. After
 
 - [X] ~~Table of content for readme~~
 - [X] ~~Assigned values for mapped env keys are lost when written :( Gotta find a way to preserve it~~
-- [ ] Refactor the command
+- [X] ~~Refactor the command~~
 - [X] ~~Make helper function registration optional through config~~
-- [ ] Unit tests, maybe ?
-- [ ] Code coverage
+- [X] ~~Unit tests~~
+- [X] ~~Code coverage~~
 - [X] ~~comment blocks for config file~~
 - [ ] Optionally remove redundant keywords from mapped env key. 
 - [X] ~~Don't allow those keys that are not valid for dotenv files (*,-,|,@,#,(,)),/,?,[,],`,`, etc.. Welp, **basically anything other than** [alphanumeric, `_` and `.`] is not accepted.)~~