restructure project with seperate app/ and notebooks/ sub directories

.idea/museum-analytics.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.system.id="pyproject.toml" type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$/api">
+      <excludeFolder url="file://$MODULE_DIR$/api/.venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="~\repos\museum_analytics\api\.venv" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="PyDocumentationSettings">
+    <option name="format" value="GOOGLE" />
+  </component>
+</module>