add: user permissions level builder ui

crates/core/src/database/communities.rs

@@ -183,7 +183,13 @@ impl DataManager {
                 }
             }
 
-            if admin_count >= 5 {
+            let maximum_count = if owner.permissions.check(FinePermission::SUPPORTER) {
+                10
+            } else {
+                5
+            };
+
+            if admin_count >= maximum_count {
                 return Err(Error::MiscError(
                     "You are already owner/co-owner of too many communities to create another"
                         .to_string(),

crates/core/src/model/permissions.rs

@@ -27,6 +27,7 @@ bitflags! {
         const MANAGE_REPORTS = 1 << 16;
         const BANNED = 1 << 17;
         const INFINITE_COMMUNITIES = 1 << 18;
+        const SUPPORTER = 1 << 19;
 
         const _ = !0;
     }