knitting patterns <==> kniterate format

[niccokunzmann]

Kniterate is a startup developing a knitting machine. We can convert our format to theirs and back.

To solve this issue:

• read the kniterate files and create knitting patterns from them
• save knitting patterns to kniterate files
• create an issue in fossasia/kniteditor that these formats should be loaded and saved

Hints:

• it may be necessary to extend the set of current instructions.
• you must reach kniterate so they tell you their specification. Contant @niccokunzmann for more details.
• Here is a file example