Add README pointer to INSTALL for doc generation
Add README pointer to INSTALL for doc generation

chen0510566/ach,chen0510566/ach,golems/ach,chen0510566/ach,golems/ach,chen0510566/ach,chen0510566/ach,golems/ach,golems/ach,golems/ach,chen0510566/ach,golems/ach