Allow brackets in download buttons

Sources/Generator/Extensions/String+Extensions.swift

@@ -67,10 +67,21 @@ extension String {
 
 extension Substring {
 
+    func dropBeforeFirst(_ separator: String) -> String {
+        guard contains(separator) else {
+            return String(self)
+        }
+        return components(separatedBy: separator).dropFirst().joined(separator: separator)
+    }
+
     func between(_ start: String, and end: String) -> String {
         components(separatedBy: start).last!
             .components(separatedBy: end).first!
     }
+
+    func between(first: String, andLast last: String) -> String {
+        dropBeforeFirst(first).dropAfterLast(last)
+    }
 }
 
 extension String {