FIX: Broken url in README.md

README.md

@@ -6,7 +6,7 @@ The initial setup consists of the following steps:
 
 1. Install the following `pip`-module using `git` to be able to generate api configurations
    ```shell
-   pip3 install git+https://gitlab.kit.edu/scc-net/netvs/api-generator.git@master#egg=net-api-generator
+   pip3 install git+https://gitlab.kit.edu/scc-net/netvs/api-generator.git@main#egg=net-api-generator
    ```
 2. Enter the `frontend` folder using
    ```shell