Make readme more readable for freshman

[iwasherefirst2]

This is a proposal how to change the structure of the readme to make it more readable for freshman (you may take a look at https://github.com/iwasherefirst2/laravel-localization/tree/changeReadmeALot).

I came up with this after closing a lot of issues and realizing there were 3 mayor problems

1. People did not know what this package offers and what not
2. People were confused how and when to use middleware
3. People did not localize POST urls.

Proposed changes:

• Add list of features that the package offers as a summary on top
• Move Collaborators to bottom for readability
• Move installation of outdated Laravel 5.4< on extra Additions.md page
• Move Config/Middleware setup into installation section
• Name 8 config settings in readme (when you look first time into the config file, you think its more complicated as it is).
• Create extra secction for redirecting middleware
• Clean up dead links of ToC
• Cleanup the helpers (The PHPDocs should not be in the readme.md file)
• Add two recommendations in usage section:
  • 1. Recommend to use redirecting middleware
  • 2. Recommend to localoze urls.

[mcamara]

The changes look good, I'll merge it 😄