Could you update README with the minimum version of Nodejs?

[pomeloEater]

[error] The plugin typedoc-theme-hierarchy could not be loaded.
[error] D:\Development2023\gtmap2\gtmap2-for-uis-dev\gtmap2-for-uis-front-end\node_modules\typedoc-theme-hierarchy\dist\themes\OverrideTheme.js:26
        this._contextCache ||= new OverrideThemeContext_1.OverrideThemeContext(this, page, this.application.options);
                           ^^^

SyntaxError: Unexpected token '||='

• Error happened: npx typedoc
• Node.js Version: 14.16.0
• typescript: 5.1.6
• typedoc: 0.24.8
• typedoc-theme-hierarchy: 4.1.0

And I found it that Logical Or assignment(||=) need Node.js version 15.0.0. (mdn web docs link here) Could you put this in the README documentation?

[DiFuks]

done!