UVCoder1002

Results 2 issues of UVCoder1002

# What it Does * Closes #288 * Fetching snapshot from firebase can throw error so putting the code inside do catch and handling the case of error by setting...

### Issue 1. Circle progress view starts at 90 deg for progress value 0 #9 ### Fix Making start point and end point consistent by adding -.pi/2 to end point.