Implemented canteen scraper/parser functionality

app/src/main/java/com/denizk0461/studip/model/CanteenOffer.kt

@@ -0,0 +1,23 @@
+package com.denizk0461.studip.model
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "offers")
+data class CanteenOffer(
+    @PrimaryKey val id: Int,
+    val date: String,
+    val category: String,
+    val title: String,
+    val price: String, // price for students
+    val isFair: Boolean, // artgerechte Tierhaltung
+    val isFish: Boolean, // Fisch
+    val isPoultry: Boolean, // Geflügel
+    val isLamb: Boolean, // Lamm
+    val isVital: Boolean, // mensaVital
+    val isBeef: Boolean, // Rindfleisch
+    val isPork: Boolean, // Schweinefleisch
+    val isVegan: Boolean, // plant-based (vegan)
+    val isVegetarian: Boolean, // vegetarisch
+    val isGame: Boolean, // Wild
+)

app/src/main/java/com/denizk0461/studip/model/StudIPEvent.kt

@@ -1,7 +1,6 @@
 package com.denizk0461.studip.model
 
 import androidx.room.Entity
-import androidx.room.Ignore
 import androidx.room.PrimaryKey
 
 @Entity(tableName = "events")
@@ -13,6 +12,7 @@ data class StudIPEvent(
     val day: Int, // 0 = Monday, 1 = Tuesday, 2 = Wednesday, 3 = Thursday, 4 = Friday
     val timeslotStart: String, // the time the course starts
     val timeslotEnd: String, // the time the course ends
+    val colour: String = "000000", // user-defined colour, TODO implement this
 ) {
 
 //    @Ignore private val timeSlotStartTimes: List<String> = listOf("06:15", "08:15", "10:15", "12:15", "14:15", "16:15", "18:15", "20:15")