Ang Li

AntennaRepair inserts diodes within blockage around hard macros

10

### Problem Function `AntennaRepair::insertDiode` places antenna-fixing diodes and avoids overlapping with existing insts. If a "legal" location is found, the inserted diode is placed in "FIRM" status ([src/grt/src/AntennaRepair.cpp:299](https://github.com/The-OpenROAD-Project/OpenROAD/blob/master/src/grt/src/AntennaRepair.cpp#L299)) and therefore...