Add collection info to skill page

src/main/kotlin/moe/nea/firmament/gui/WTitledItem.kt

@@ -0,0 +1,26 @@
+package moe.nea.firmament.gui
+
+import io.github.cottonmc.cotton.gui.client.BackgroundPainter
+import io.github.cottonmc.cotton.gui.widget.TooltipBuilder
+import io.github.cottonmc.cotton.gui.widget.WItem
+import net.minecraft.client.gui.DrawContext
+import net.minecraft.client.item.TooltipContext
+import net.minecraft.item.ItemStack
+import net.minecraft.text.Text
+import moe.nea.firmament.util.MC
+
+class WTitledItem(val stack: ItemStack, val countString: Text = Text.empty()) : WItem(stack) {
+    override fun paint(context: DrawContext, x: Int, y: Int, mouseX: Int, mouseY: Int) {
+        BackgroundPainter.SLOT.paintBackground(context, x, y, this)
+        super.paint(context, x, y, mouseX, mouseY)
+        context.matrices.push()
+        context.matrices.translate(0F, 0F, 200F)
+        context.drawText(MC.font, countString, x + 19 - 2 - MC.font.getWidth(countString), y + 6 + 3, 0xFFFFFF, true)
+        context.matrices.push()
+    }
+
+    override fun addTooltip(tooltip: TooltipBuilder) {
+        tooltip.add(*stack.getTooltip(null, TooltipContext.BASIC).toTypedArray())
+    }
+
+}