Update README.md

Author: teklab-de

README.md

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 # TekBASE - Scripts for Linux
-![TekBASE 8.X](https://img.shields.io/badge/TekBASE-8.X-green.svg) ![License OPL v1.0](https://img.shields.io/badge/License-OPL_v1.0-blue.svg) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/bfed0897939546d79d84af2ec19d732e)](https://www.codacy.com/manual/ch.frankenstein/tekbase-scripts-linux?utm_source=github.com&utm_medium=referral&utm_content=teklab-de/tekbase-scripts-linux&utm_campaign=Badge_Grade)
+![TekBASE 8.X](https://img.shields.io/badge/TekBASE-8.X-green.svg) ![License GNU AGPLv3](https://img.shields.io/badge/License-GNU_AGPLv3-blue.svg) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/bfed0897939546d79d84af2ec19d732e)](https://www.codacy.com/manual/ch.frankenstein/tekbase-scripts-linux?utm_source=github.com&utm_medium=referral&utm_content=teklab-de/tekbase-scripts-linux&utm_campaign=Badge_Grade)
 
 TekBASE server management scripts for Debian, Ubuntu, OpenSuSE, Centos and Fedora. The scripts are needed for the administration of the game servers, stream servers and voice servers. TekBASE is a server management software for clans, communities and service providers with an online shop, billing system, and reminder system. More information at [TekLab.de](https://teklab.de)