Refactor source layout

Introduce compat source sets and move all kotlin sources to the main directory

[no changelog]

src/main/kotlin/util/BazaarPriceStrategy.kt

@@ -0,0 +1,19 @@
+
+package moe.nea.firmament.util
+
+import moe.nea.firmament.repo.HypixelStaticData
+
+enum class BazaarPriceStrategy {
+    BUY_ORDER,
+    SELL_ORDER,
+    NPC_SELL;
+
+    fun getSellPrice(skyblockId: SkyblockId): Double {
+        val bazaarEntry = HypixelStaticData.bazaarData[skyblockId] ?: return 0.0
+        return when (this) {
+            BUY_ORDER -> bazaarEntry.quickStatus.sellPrice
+            SELL_ORDER -> bazaarEntry.quickStatus.buyPrice
+            NPC_SELL -> TODO()
+        }
+    }
+}