Config repository (#3988)

* WIP

* fix(test): fix ap test failing

* fix: fix unkeyed fields being used

* chore(tests): clean up browser tests by splitting out federation UI tests

webserver/handlers/customJavascript.go

@@ -3,13 +3,14 @@ package handlers
 import (
 	"net/http"
 
-	"github.com/owncast/owncast/core/data"
+	"github.com/owncast/owncast/persistence/configrepository"
 )
 
 // ServeCustomJavascript will serve optional custom Javascript.
 func ServeCustomJavascript(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "text/javascript; charset=utf-8")
 
-	js := data.GetCustomJavascript()
+	configRepository := configrepository.Get()
+	js := configRepository.GetCustomJavascript()
 	_, _ = w.Write([]byte(js))
 }