Update README.md

Author: timsar2

README.md

@@ -1,2 +1,13 @@
 # ionic-video-call
 A simple video call with ionic4 and peerjs.
+
+how to run:
+connect your pc/laptop to a network, also your second device (pc/laptop/mobile) must be in same netwrok.
+find your ip address, you can run ipconfig /all or look at your netwrok card detail.
+it must somthing like 192.168.43.105
+from your console, inside of project folder run this commands:
+1- npm install
+then run ionic with your ip address<your machin ip address> and ssl parameter.
+2- ionic serve --adress 192.168.43.105 --ssl
+
+if you have issue, check your firewall or antivirus.