Add regex templates for chat object in Manifest.md

[rettichlp]

Type of change

• Add new directory for a server
• Update directory of a server
• Remove directory of a server
• Documentation Update

Further comments

• added some example regex templates for the chat object in the Manifest documentation (for color and formatting codes), so it is a little bit easier to use the chat feature

Description	Regex
Any color code	§[a-f0-9]
Any formatting code	§[k-or]
Any color or formatting code	§[a-fk-or0-9]
Any color or formatting code in a row	zero or one: (§[a-fk-or0-9])? at least one: (§[a-fk-or0-9])+ zero or more: (§[a-fk-or0-9])*
Player name	[a-zA-Z0-9_]{2,16}