Geo Filtering by Polygon or Multipolygon

At present, selecting a radius or bounding box to cover a desired region and then filtering the retrieved points is a viable option for narrowing down results by a specific region of interest. However, this method can become sluggish when dealing with expansive areas and entails handling location data separately in a database. Introducing a more efficient feature for intricate geo-filters would 1) speed up the process, 2) create opportunities for novel applications, 3) open the door for further opportunities of optimization. Such a feature would be particularly beneficial for Qdrant's users dealing with vast data sets or intricate geometries