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/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

BiogasControllerApp-V2.2/.idea/.name

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+biogascontrollerapp.py

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

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+<?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>

BiogasControllerApp-V2.2/.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

BiogasControllerApp-V2.2/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8" project-jdk-type="Python SDK" />
+</project>

BiogasControllerApp-V2.2/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/ENATECH.iml" filepath="$PROJECT_DIR$/.idea/ENATECH.iml" />
+    </modules>
+  </component>
+</project>