add license info to conda

doc.zih.tu-dresden.de/docs/software/python_virtual_environments.md

@@ -134,6 +134,13 @@ marie@compute$ source /data/horse/ws/marie-python_virtual_environment/env/bin/ac
 
 ## Conda Virtual Environment
 
+!!!
+    We were informed that the manufacturer of Anaconda has changed its license conditions
+    and that the use of Anaconda/conda is also subject to licensing at universities
+    with more than 200 employees.
+    https://legal.anaconda.com/policies/en/?name=terms-of-service#anaconda-terms-of-service
+    The TU Dresden does not plan to procure a license centrally.
+
 **Prerequisite:** Before working with conda, your shell needs to be configured
 initially. Therefore login to the ZIH system, load the Anaconda module and run
 `source $EBROOTANACONDA3/etc/profile.d/conda.sh`. Note that you must run the
@@ -141,7 +148,7 @@ previous command each time you want to activate your virtual environment and
 they are not automatically loaded after re-opening your shell.
 
 !!! warning
-    We recommend to **not** use the `conda init` command, since it may cause unexpected behaviour
+    We recommend to **not** use the `conda init` command, since it may cause unexpected behavior
     when working with the ZIH system.
 
 ??? example