Make setting extraUserInfoFileName optional

config-example.yaml

@@ -2,7 +2,6 @@ instanceDetails:
   name: Owncast
   title: Owncast Demo Server
   summary: "This is brief summary of whom you are or what your stream is. You can read more about it at owncast.online.  You can edit this description in your config file."
-  extraUserInfoFileName: "/static/content.md"
   
   logo:
     small: /img/logo128.png

config/config.go

@@ -207,5 +207,12 @@ func Load(filePath string, versionInfo string) error {
 
 	Config.VersionInfo = versionInfo
 
+	// Defaults
+
+	// This is relative to the webroot, not the project root.
+	if Config.InstanceDetails.ExtraInfoFile == "" {
+		Config.InstanceDetails.ExtraInfoFile = "/static/content.md"
+	}
+
 	return Config.verifySettings()
 }