Create deprecated.md

behaviorpack/item/components/deprecated.md

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+# Items - Components - Deprecated
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+The format of minecraft items has changed, and the old format is now marked as deprecated in favor of moving and notify people to the new format.
+
+
+[Microsoft documentation](https://learn.microsoft.com/en-us/minecraft/creator/reference/content/itemreference/examples/itemdefinition?view=minecraft-bedrock-stable)