Move source code to src/leek

This makes the package work again

MANIFEST.in

@@ -1 +1 @@
-include src/*.qml
+include src/leek/*.qml

pyproject.toml

@@ -27,11 +27,6 @@ content-type = "text/markdown"
 [project.scripts]
 leek = "leek.leek_app:main"
 
-[tool.setuptools]
-packages = ["leek"]
-package-dir = {leek = "src"}
-include-package-data = true
-
 [tool.ruff.lint]
 select = [
     # Defaults

src/__main__.py

@@ -1,3 +0,0 @@
-import leek_app
-
-leek_app.main()

src/leek/__main__.py

@@ -0,0 +1,14 @@
+# https://packaging.python.org/en/latest/discussions/src-layout-vs-flat-layout/#running-a-command-line-interface-from-source-with-src-layout
+import os
+import sys
+
+if not __package__:
+    # Make CLI runnable from source tree with
+    #    python src/package
+    package_source_path = os.path.dirname(os.path.dirname(__file__))
+    sys.path.insert(0, package_source_path)
+
+
+from leek import leek_app
+
+leek_app.main()

src/leek/mod_list.py

@@ -1,6 +1,6 @@
 from PySide6.QtQml import QmlElement
 from PySide6.QtCore import QAbstractListModel, QModelIndex
-from mod import Mod, InvalidModError
+from leek.mod import Mod, InvalidModError
 import os
 
 QML_IMPORT_NAME = "Leek"