updated README

README.md

@@ -1,3 +1,16 @@
 # cvmodelz
 
 *"Why is it written with 'z'? Because 'cvmodels' already exists ¯\\\_(ツ)\_/¯"*
+
+## Installation
+```bash
+pip install cvmodelz
+```
+
+## Built-in scripts
+
+```bash
+python -m cvmodelz.model_info cvmodelz.InceptionV3
+python -m cvmodelz.model_info cvmodelz.InceptionV3 -size 427 --device 0
+python -m cvmodelz.model_info cvmodelz.ResNet50 -size 448 --device 0
+```