chore: delete old examples and doc folder

[damienwebdev]

The new docs can be found in the docs folder.

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[Shinigami92]

Good idea to delete them
Even if we need them, we can just access git history 👍

[Shinigami92]

I see you also deleted the examples folder 🤔
We should look if there is somewhere a test or we need to write a test to test that it works in the browser.
Alternative we could say for now we don't support browser version 🤔

Did you also check that the examples/browser/js/faker(.min).js files are not generated anymore by scripts?
Maybe we can also remove some stuff from gitignore and such.

[JessicaSachs]

I plan to write integration tests for parts of the docs at least. We can use the playground for that.

[damienwebdev]

@Shinigami92 I did verify the removal of the examples from the gulpfile. https://github.com/faker-js/faker/pull/155/files#diff-5389b9382804b62e7e964159df7c0c792dffb0705a48429d96d1aacd830aef09L28

[Shinigami92]

Let's rebase this PR after we merged #235

[Shinigami92]

I additionally cleaned up some files, so this is not just deleting the doc and examples folder but also format not formatted files and removed the old logo.png