docs: #82 add snine

Author: httpjamesm

README.md

@@ -39,6 +39,7 @@ This project is super lightweight by design. The UI is simple and the frontend i
 | [overflow.r4fo.com](https://overflow.r4fo.com)                                            | The Netherlands              | Operated by [r4fo.com](https://r4fo.com)                                                         |
 | [overflow.ducks.party](https://overflow.ducks.party)                                      | The Netherlands              | Operated by [ducks.party](https://ducks.party)                                                   |
 | [ao.ngn.tf](https://ao.ngn.tf)                                                            | Turkey                       | Operated by [ngn](https://ngn.tf)                                                                |
+| [overflow.snine.nl](https://overflow.snine.nl)                                            | The Netherlands              | Operated by [snine](https://snine.nl)                                                            |
 
 ## Other Instances