Fixed

• #155 conversion of files imported from Excalidraw.com was broken.

New Features

• first implementation of #157 (use setting to define the maximum number of characters to transclude from the document)
• Implemented option to zoom to fit drawing to window size when Obsidian window or Excalidraw view pane is resized (#159)
• Implemented MVP version of onDropHook #152 See documentation for more details.