Better Keyboard shortcuts

[larsroettig]

Expected Behaviour

As a Author I want Keyboard shortcuts to navigated to make authering experiance faster withou ussing the mouse and just my. keyboard.

To do this	Command
Creat link	ctrl(cmd) + k
Move the cursor one word to the right.	Option+Right arrow key
Move the cursor up by one paragraph.	+Up arrow key
Move the cursor down by one paragraph.	+Down arrow key

Actual Behaviour

Currely Supported

ctrl(cmd) + b for bold
ctrl/(cmd) + i italic

Reproduce Scenario (including but not limited to)

Steps to Reproduce

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Sample Code that illustrates the problem

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