Updated README.md
Updated README.md

I have fixed some formating.
Also added shields with version and license.
And fixed the version number in the `deps`, since it is not yet available.

whitepaperclip/ex_admin,Kociamber/ex_admin,caleb/ex_admin,whitepaperclip/ex_admin,romul/ex_admin,kleinernik/ex_admin,bsidoruk/ex_admin,smpallen99/ex_admin,smpallen99/ex_admin,kleinernik/ex_admin,romul/ex_admin,bsidoruk/ex_admin,caleb/ex_admin,Kociamber/ex_admin,caleb/ex_admin