add recommended model

README.md

@@ -4,7 +4,6 @@
 
 ```
 brew install npm
-brew install go
 ```
 
 ## Develop

models/README.txt

@@ -0,0 +1,4 @@
+Place models here for use.
+
+Here's some recommendations:
+https://huggingface.co/TheBloke/vicuna-7B-v1.3-GGML