Added icons to installer, etc., added use of CDN

Slightly changed UI

• Text editor changed from Ace Editor to Monaco Editor
• NVGL, a dedicated programming language for this software, now works.

There are plans to change various things such as the project directory structure.
This version can now be used to some extent, but There will definitely be compatibility issues when updating.

download -> https://github.com/neknaj/nvg/releases/download/v1.1.0/Neknaj.Video.Generator.Setup.1.0.2.exe

Temporary timeline, preview playback, and export

Main window only