Move language packs to separate files

[sthesing]

I started to work at a German and Esperanto language pack and thought it would be a good idea not to clutter the main org-novelist.el with all that, so I propose the following:

• move language packs to a new folder language-packs
• add that folder to load path
• load the en-GB language pack by default

I thought it's probably a good idea not to load all eventual language packs automatically, so for now, the user needs to load the respective pack in their Emacs config (require 'org-novelist-language-pack-de-DE).

I added instructions on how to create and load a language pack to the README.

Feel free to ignore this if you don't like this proposal and have some other approach in mind, already.

[sympodius]

Hey @sthesing ,

Thanks for having a go at this. I've actually been working on a German language pack, and it's highlighted some issues with the language pack setup that I'll really need to fix before new language packs can be made (it looks like you've spotted a couple of them yourself as well). I should probably have those fixed soon, though. You'll maybe be better holding off until you can see how that language pack has been added into the system before having a go at your own ones. I appreciate the effort though (especially Esperanto!).