Do not include non-package files in wheel

pyproject.toml

@@ -5,7 +5,14 @@ packages = [
     { include = "aleksis" }
 ]
 readme = "README.rst"
-include = ["CHANGELOG.rst", "LICENCE.rst", "aleksis/**/locale/*.mo"]
+include = [
+    { path = "aleksis/**/*.mo", format = ["sdist", "wheel"] },
+    { path = "*.rst", format = "sdist" },
+    { path = "docs/*", format = "sdist" },
+    { path = "docs/**/*", format = "sdist" },
+    { path = "conftest.py", format = "sdist" },
+    { path = "tox.ini", format = "sdist" }
+]
 
 description = "AlekSIS (School Information System) — App for Untis import"
 authors = ["Dominik George <dominik.george@teckids.org>", "Julian Leucker <leuckeju@katharineum.de>", "Frank Poetzsch-Heffter <p-h@katharineum.de>", "Jonathan Weth <dev@jonathanweth.de>", "Tom Teichler <tom.teichler@teckids.org>", "mirabilos <thorsten.glaser@teckids.org>"]