add db interaction layer

src/database/model/ResultObject.kt

@@ -0,0 +1,11 @@
+package com.kmalbz.database.model
+
+import java.time.LocalDate
+
+data class ResultObject(
+    val id: Int,
+    val tag: String,
+    val date: LocalDate,
+    val decision: Boolean,
+    val confidence: Double
+)