refactor: linting of readme for certgen (#1375)

Signed-off-by: Goetz Goerisch <[email protected]>

tools/certGen/README.md

@@ -4,6 +4,12 @@ This is a basic self sign certificate generator for an OPC UA Server.
 
 ## Usage
 
-Create a Python virtual enviroment using `python -m venv venv` and activate it with `source venv/bin/activate` . Install the required packages `pip install -r requirements.txt`.
-Make a copy of `settings.template.json` and name it `<env>.json` (`<env>` is the name of your enviroment). Adapt your hostname(s) and IP adresses.
-Call `python createCertificate.py <env>`. All certificates are stored created in a folder named `<env>`. Copy `server_key.der` and `server_cert.der` in the directory of the server executable.
+- Create a Python virtual enviroment using `python -m venv venv` and activate it with `source venv/bin/activate`.
+
+- Install the required packages `pip install -r requirements.txt`.
+
+- Make a copy of `settings.template.json` and name it `<env>.json` (`<env>` is the name of your enviroment). Adapt your hostname(s) and IP adresses.
+
+- Call `python createCertificate.py <env>`.
+
+- All certificates are stored created in a folder named `<env>`. Copy `server_key.der` and `server_cert.der` in the directory of the server executable.