Finish renaming BiscuIT-ng to AlekSIS in this äpp

README.rst

-AlekSIS School Information System (SIS) - App Mēnsa (cantina menu)
+AlekSIS (School Information System) - App Mēnsa (cantina menu)
 ======================================================================
 
 AlekSIS

pyproject.toml

 [tool.poetry]
-name = "BiscuIT-App-Mēnsa"
+name = "AlekSIS-App-Mēnsa"
 version = "1.0a4dev0"
 packages = [
     { include = "aleksis" }
 ]
 readme = "README.rst"
 
-description = "AlekSIS School Information System (SIS) - App Mēnsa (cantina menu)"
+description = "AlekSIS (School Information System) - App Mēnsa (cantina menu)"
 authors = ["Julian Leucker <leuckeju@katharineum.de>", "Jonathan Weth <wethjo@katharineum.de>"]
 license = "EUPL-1.2"
 homepage = "https://aleksis.edugit.io/"
-repository = "https://edugit.org/BiscuIT/BiscuIT-App-mensa"
+repository = "https://edugit.org/AlekSIS/AlekSIS-App-mensa"
 documentation = "https://aleksis.edugit.io/AlekSIS/docs/html/"
 classifiers = [
     "Environment :: Web Environment",