fix url in readme

2 jobs for master in 27 minutes and 19 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #2684
docker
build

00:27:19

 
  Deploy
skipped #2685
docker
deploy_latest
 
Name Stage Failure
failed
build Build There has been a runner system failure, please try again
WARNING: Cleanup script failed: exit status 1
ERROR: Preparation failed: exit status 2
Will be retried in 3s ...
Using Custom executor...
govc: Post "https://vc.my-card.in/sdk": dial tcp 192.168.1.28:443: connect: connection refused
WARNING: Cleanup script failed: exit status 1
ERROR: Preparation failed: exit status 2
Will be retried in 3s ...
ERROR: Job failed (system failure): exit status 2