Update to the backend and new Screen.

Features:
- Added a new settings page
- Laid out some backend stuff to integrate some new features
- prepared backend to include an option to have the previous values also displayed when updating them both screens where you may change configuration of the microcontroller

BiogasControllerApp-V2.2/.idea/ENATECH.iml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.8" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>