Fix macOS

Let's try to make VNote run on macOS.

Upgrade MathJax v3

• Upgrade to MathJax v3;
• Support e command in Vim mode; (@Gydeng)
• Fix start issue on macOS (no need to add -m option);

Upgrade Mermaid.js

Upgrade Mermaid.js to latest release.

Small Fixes

• Fix PlantUML online resources;
• MacOS: support staying in tray;
• Add a configuration in Settings to control code block copy button;

Image Hosting

• Add supports for image hosting, including service GitHub, Gitee, Wechat, and Tencent Cloud; (@fengwenhua)
• Support sorting notebooks in context menu;
• Add theme v_next; (@hzhu212)

Regular Update

• Use 5.9.8 on macOS;
• Call Java (PlantUML) directly on Win;

Fixes

• Fix PlantUML command;
• Use 5.12.0 on macOS;
• Add config [web]/enable_code_block_copy_button for copy button in code block in read mode;

Bug Fixes

• Editor
  • Fix smart table bugs;
  • Fix improper leading line space on macOS;
• Fix bug which will open two tabs for the same file;
• Add copy button to copy code block in read mode;
• PluatUML: use shell to launch Java;
• Use qt 5.12.1 on macOS for better performance;
• Add theme v_simple provided by user LuoshuiTianyi;
• Support adding sibling folder in context menu;

Regular Update

• Version-specific user track;
• Package available in NixOS (@kuznero).

Regular Update

• Support RTL text in edit mode;
• Remove credit information in export template;