chore: seperate into packages

packages/query-dsl/src/query-parser.ts

@@ -6,6 +6,10 @@ class QueryParser {
   #stringifier = new Stringifier();
   #parser = new QueryParserParser();
 
+  public getSerializedGastProductions() {
+    return this.#parser.getSerializedGastProductions();
+  }
+
   public parse = (input: string): QueryFilter => {
     return this.#parser.parse(input);
   };