charter: link agreements to site-relative paths, not Gitea raw URLs

charter.md

@@ -41,9 +41,9 @@ We regard disputes as an opportunity to learn and grow. Members should try to wo
 
 This charter is the core governing document. Members are also bound by the following agreements:
 
-* [Code of Conduct](https://git.inference.coop/co-op/docs/src/branch/main/code-of-conduct.md)
-* [Terms of Service](https://git.inference.coop/co-op/docs/src/branch/main/terms-of-service.md)
-* [Privacy Policy](https://git.inference.coop/co-op/docs/src/branch/main/privacy-policy.md)
+* [Code of Conduct](code-of-conduct.md)
+* [Terms of Service](terms-of-service.md)
+* [Privacy Policy](privacy-policy.md)
 
 ## Legal entity