v3.0

• Update the title of the palette

Support MS Office

• NatureColorPalette.xml was added for Microsoft Office applications.
• Readme was modified for the update.

Minor modification

• The body, *.gpl, was not modified.
• The readme was updated.
• The file structure was arranged.
• The banner and its svg file were added for the future mod.

First release

The launch of this component.