feat: Allow restricting server creation to specific users (#685)

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

crates/core/config/Revolt.toml

@@ -220,6 +220,10 @@ new_user_hours = 72
 # (should be greater than any one file upload limit)
 body_limit_size = 20_000_000
 
+# If any userids are entered here, only those users will be able to create servers.
+# Leave empty to allow all users to create servers
+restrict_server_creation = []
+
 [features.limits.new_user]
 # Limits imposed on new users
 

crates/core/config/src/lib.rs

@@ -344,6 +344,8 @@ pub struct GlobalLimits {
     pub new_user_hours: usize,
 
     pub body_limit_size: usize,
+
+    pub restrict_server_creation: Vec<String>,
 }
 
 #[derive(Deserialize, Debug, Clone)]