Added shortcuts for robot connection and opening settings

[Gold872]

Resolves #116 and #118

Ctrl + , will open the settings dialog
Ctrl + K will connect to the robot
Ctrl + Shift + K will connect to sim

[codecov]

Codecov Report

Attention: Patch coverage is 82.05128% with 7 lines in your changes missing coverage. Please review.

Project coverage is 66.42%. Comparing base (a96201d) to head (b3c9438).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/pages/dashboard_page.dart	82.05%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #123      +/-   ##
==========================================
+ Coverage   66.17%   66.42%   +0.24%     
==========================================
  Files          78       78              
  Lines        8027     8053      +26     
==========================================
+ Hits         5312     5349      +37     
+ Misses       2715     2704      -11     

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