Implemented functionality to switch canteens. UI for this is not fully implemented.

app/src/main/res/values/attrs.xml

@@ -6,4 +6,6 @@
     <attr name="colorOnSurfaceVariant" type="color"/>
     <attr name="colorErrorContainer" type="color"/>
     <attr name="colorOnErrorContainer" type="color"/>
+    <attr name="colorSecondaryContainer" type="color"/>
+    <attr name="colorOnSecondaryContainer" type="color"/>
 </resources>

app/src/main/res/values/strings.xml

@@ -13,6 +13,7 @@
     
     <string name="save">Save</string>
     <string name="delete">Delete</string>
+    <string name="cancel">Cancel</string>
     <string name="sheet_schedule_update_header">Edit Event</string>
     <string name="sheet_schedule_update_title_hint">Event title</string>
     <string name="sheet_schedule_update_lecturers_hint">Lecturer(s)</string>
@@ -117,6 +118,9 @@
     <string name="settings_allergens_title">Mark offers with allergens with a star*</string>
     <string name="settings_allergens_subtitle">Also applies to additives</string>
 
+    <string name="settings_launch_canteen_title">Show canteen plan on app launch</string>
+    <string name="settings_launch_canteen_subtitle">Otherwise your schedule will be shown at launch</string>
+
     <string name="settings_crashlytics_title">Opt-in to sharing crash data</string>
     <string name="settings_crashlytics_subtitle">Data will be anonymised</string> <!-- TODO is this true? -->