Update app.py

app.py

@@ -1,4 +1,4 @@
 import os
-os.system("pip install git+https://github.com/broadfield-dev/repo_to_md.git")
+os.system("pip install git+https://github.com/broadfield-dev/repo_to_md.git#egg=['demo'])
 from repo_to_md import demo
 demo.run_demo()