Updated Home (markdown)

Home.md

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-Welcome to the charts wiki!
+Welcome to the charts wiki! 
+
+Here are a few links for you.
+1. [Documentation](https://frappe.io/charts/documentation)
+1. [Playground](https://playground.shivam.dev/)
+1. [Testbed](https://github.com/scmmishra/charts-testbed)