Adding swedish readme content with quick summary of the project

The readme contains a quick list of how everything is done in the script,
and some information why it exist and some of it's potential.
felkorrigeringar
spelling corrections
Added Fork-link

Fork me on GitHub link added in top-right corner
Merge pull request #6 from JohnTheDaniel/docs

Adding swedish README.md content
Merge pull request #8 from Kirens/forkGit

Added GitHub Fork-link