feat: di, db, and preliminary server-side gtfs parsing

shared/src/commonMain/kotlin/moe/lava/banksia/model/Route.kt

@@ -0,0 +1,12 @@
+package moe.lava.banksia.model
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class Route(
+    @PrimaryKey val id: String,
+    val type: RouteType,
+    val number: String?,
+    val name: String,
+)

shared/src/commonMain/kotlin/moe/lava/banksia/model/RouteType.kt

@@ -0,0 +1,23 @@
+package moe.lava.banksia.model
+
+import androidx.room.TypeConverter
+
+enum class RouteType(val value: Int) {
+    MetroTrain(2),
+    MetroTram(3),
+    MetroBus(4),
+    RegionalTrain(1),
+    RegionalCoach(5),
+    RegionalBus(6),
+    SkyBus(11),
+    Interstate(10),
+    ;
+
+    companion object {
+        @TypeConverter
+        fun from(value: Int) = RouteType.entries.first { it.value == value }
+
+        @TypeConverter
+        fun to(routeType: RouteType) = routeType.value
+    }
+}

shared/src/commonMain/kotlin/moe/lava/banksia/model/Shape.kt

@@ -0,0 +1,16 @@
+package moe.lava.banksia.model
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import androidx.room.TypeConverters
+import moe.lava.banksia.room.converter.ShapeConverter
+import moe.lava.banksia.util.Point
+
+typealias ShapePath = List<Point>
+
+@Entity
+@TypeConverters(ShapeConverter::class)
+data class Shape(
+    @PrimaryKey val id: String,
+    val path: ShapePath,
+)