MEC v0.9.7 release

• Core Features
  Supported plugin, which can expand filters, fusions, effects and AI, according to your own needs.

• New Features
  Cutting operator in clip’s group.
  Guide line for Cutting tool.
  Insert-empty-track operator by the context menu in empty timeline.
  Enter-numerical-value way by typing in slide widgets.
  New way to scale snapshots in timeline from the ruler anchor point.
  User-defined multi-language support.
  Add Star, Lighting, Sway, Jitter and Soul effects.
  Add various fusions such as Luma, Edge, StaticWipe, Rectangle, etc.
  Add seperated AppImage files for Ubuntu20.04/Ubuntu22.04.

• Improved Features
  Encoder resources usage problem.
  Some UI stuck situation.
  The way of moving/cropping clips in the frame accuracy.
  Dragging materials from media bank to timeline causes slow UI response.
  Cutting clips causes slow UI response.
  Multi-times and fast seeking in timeline causes slow UI response.

• Bug Fixes
  Fixed small overlap/gap caused by the attracting tool.
  Fixed some aligned clips can‘t be separated.
  Fixed playback position being moved in some special mouse events.
  Fixed abnormal playback behavior caused by seeking timeline.
  Fixed abnormal blueprint’s behavior caused by dragging node.
  Fixed cropping tool not working well.
  Fixed flickering black frames during playback.
  Fixed BounceFusion fusion can’t setting parameters.
  Fixed some build error in windows system.
  Fixed the histogram not working properly in color curve.
  Fixed some error output when using the latest Vulkan SDK.