[UPDATE] Readme

[UPDATE] requierements file:w

[ADD] install file

[ADD] requirements file

[ADD] uml renderer

[FIX] md files now are in docs folder

[FIX] creates folder when it does not exists

[UPDATE] gitignore

[UPDATE] now files are saved in .iuml format

[REFACTOR] close #5

[MOPPING]

[UPDATE] Refactor code

[ADD] Docstring to main functions #1

[UPDATE] Readme #1

[UPDATE] Exemple files