Failed building wheel for psycopg2 <ld: library not found for -lssl> with pip

fixing-failed-building-psycopg2-mac

```  ld: library not found for -lssl
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  error: command 'clang' failed with exit status 1```
  
  Point LDFLAGS to OpenSSL's lib & include directories
  ```env LDFLAGS="-L$(brew --prefix openssl)/lib" CFLAGS="-I$(brew --prefix openssl)/include" pip install -r environments/development.txt```