v0.3.0

Added

• formatter parameter for more customizable diagrams
• FakeDir methods for creating files/folders now return references to the objects created
• A copy() method for FakeDirs
• A siblings() method for FakeDirs

Changed

• Documentation updates
  • Added code blocks to examples in docstrings
  • replaced the "cheatsheet.png" image in the Getting Started section with a markdown link
  • remove broken link to FolderStructure class in seedir.realdir module
  • fixed some examples in docstrings and readmes
• in getting started, redo examples to omit empty folders (which are omitted by GitHub)
• replace '\s' with ' ' in seedir.fakedir.fakedir_fromstring()
• Remove .DS_Store files (thanks @timweissenfels)
• Reverted API doc style back to pdoc3 default

Fixed

• remove call to copy method in Fakedir.delete(), which prevented non-list arguments
• the walk_apply method is now applied to the calling folder, rather than just children