Fix installation instructions for gfpgan and basicsrs

Author: hacksider

README.md

@@ -179,6 +179,11 @@ source venv/bin/activate
 
 # install the dependencies again
 pip install -r requirements.txt
+
+# gfpgan and basicsrs issue fix
+pip install git+https://github.com/xinntao/BasicSR.git@master
+pip uninstall gfpgan -y
+pip install git+https://github.com/TencentARC/GFPGAN.git@master
 ```
 
 **Run:** If you don't have a GPU, you can run Deep-Live-Cam using `python run.py`. Note that initial execution will download models (~300MB).