Update README.md - adding another instance

README.md

@@ -200,6 +200,7 @@ These are self-hosted by other wonderful folks.
 - [phanpy.bauxite.tech](https://phanpy.bauxite.tech) by [@b4ux1t3@hachyderm.io](https://hachyderm.io/@b4ux1t3)
 - [phanpy.hear-me.social](https://phanpy.hear-me.social) by [@admin@hear-me.social](https://hear-me.social/@admin)
 - [phanpy.fulda.social](https://phanpy.fulda.social) by [@Ganneff@fulda.social](https://fulda.social/@Ganneff)
+- [phanpy.crmbl.uk](https://phanpy.crmbl.uk) by [@snail@crmbl.uk](https://mstdn.crmbl.uk/@snail)
 
 > Note: Add yours by creating a pull request.