Format README.md file and add GO report card (#78)

README.md

@@ -1,20 +1,26 @@
 <!--
 Copyright 2021-present Open Networking Foundation
 SPDX-License-Identifier: Apache-2.0
-
 -->
+[![Go Report Card](https://goreportcard.com/badge/github.com/omec-project/simapp)](https://goreportcard.com/report/github.com/omec-project/simapp)
+
 # Simapp
 ## Sim subscription app for Aether
 ### Subscriber Configuration
-        - SIMApp can configure devices in 5G as well as in 4G.
-        - look for config/simapp.yaml file for all override options
-        - Update subscriber range for your usecase
-        - Make sure sub-provison-endpt points to webui (5g configpod service) or config4g (4G configpod service)
-        - In case sub-proxy is running in the deployment then sub-proxy-endpt should point to sub-proxy(ROC Component). Also port needs to be changed accordingly
-### Optionaly simapp can be used to configure network slices in the 4G/5G network functions as well.
-        - Update device-groups, network-slices as per your need
-        - provision-network-slice should be set to true if you need simapp to configure slices as well.
-        - In case ROC is running in the deployment then network slices can be configured from ROC.
+- SIMApp can configure devices in 5G as well as in 4G.
+- look for config/simapp.yaml file for all override options
+- Update subscriber range for your usecase
+- Make sure sub-provison-endpt points to webui (5g configpod service) or
+config4g (4G configpod service)
+- In case sub-proxy is running in the deployment then sub-proxy-endpt should
+point to sub-proxy (ROC Component). Also port needs to be changed accordingly
+
+### Optionaly simapp can be used to configure network slices in the 4G/5G network functions as well
+- Update device-groups, network-slices as per your need
+- provision-network-slice should be set to true if you need simapp to configure
+slices as well
+- In case ROC is running in the deployment then network slices can be configured
+from ROC
 
 ## Reach out to us thorugh
 1. #sdcore-dev channel in [ONF Community Slack](https://onf-community.slack.com/)