v0.12.0b2

• Fixed:
  -- The camera doesn't fix overexposed pictures
  -- SVGs generated by the same tool via the same export method are scaled differently
  -- Gcode files cannot be lasered in certain scenarios
  -- SVG text not being lasered

• Added:
  -- Laser head homing before the start Calibration process
  -- Find Mr beam cloud to only use the device’s local IP or DNS name
  -- Change the Quicktext select options into radio buttons
  -- Add Shopify links to buy new materials after the laser job is done
  -- Hook social media icons in the laser job done window to Mr Beam’s official accounts
  -- Update material settings