updated contributing.md

CONTRIBUTING.md

@@ -85,6 +85,37 @@ This will setup your project along with firebase emulator in a docker environmen
 
 You should fill in these values in their relevant fields in the `.env` file.
 
+### Firebase Emulator Setup
+
+
+1. Refer this site [https://firebase.google.com/docs/emulator-suite/install_and_configure]
+2. Make sure you have the correct jdk version installed
+3. Make sure you are in the parent directory
+4. Now lets connect your local firebase to cloub by running command (firebase login)
+5. Then authenticate your firebase using browser and set the selected web app for codelabz
+6. Then run the command (firebase init)
+7. Select all the emulator necessitites by pressing a or selecting them manually and pressing space
+8. Answer the commands
+9. Lets set up your credentials of test data
+10. Run your firebase emulator by running the following command.
+
+
+make emulator
+
+11. If make command isn't installed then run command
+
+firebase emulators:start --import=testdata
+
+12. If you want to start without any testdata , use the following command
+
+make emulator
+
+14.If make command isn't installed then run
+
+ firebase emulator:start
+
+ You will observe 3 terminals opening
+
 ### Run Firebase Emulator
 
 Run your firebase emulator by running the following command.