Little update

[11jo]

Hello,

Not sure if you are still active, but here is a pull request with very little changes.

Main :

• EXTEND_BOTTOM is prefered to EXTEND_TOP, to avoid modifying state number and prevent incompatibility issues.

Standard :

• Move files in customs folder.
• Add Designated and Label.
• Create Readme.md based on original readme.
• WeiduModPackager.
• Metadata for project infinity.