Snapmaker_Orca v0.3.0

What's Changed

• Changeappname from 'Snapmaker_Orca' to 'Snapmaker Orca' by @womendoushihaoyin
• feature: change content "Snapmaker_Orca" to "Snapmaker Orca" by @womendoushihaoyin
  
• feature: recover the carlibration page by @womendoushihaoyin in #28
  
• change icon and picture in Snapmaker Orca to the new version
  
• fix: Project tab can't be open with bambu machine
• fix: Wait two seconds after changing the extruders on Snapmaker's machines, in order to fix the problem that the two extruders will collide.
  Full Changelog: v0.2.0...v0.3.0