Update README.md

Author: Ladicle

README.md

@@ -25,18 +25,24 @@ Usage:
 
 Available Commands:
   copy        Copy main program to clipboard
+  get         get contests
   help        Help about any command
   init        Initialize workspace for the contest
   jump        Get current quiz directory
-  list        list contests
-  sample      Create sample files
-  switch      Switch contest current contest
+  set         Switch contest current contest
   test        Test main program
   version     Show this command version
 
 Flags:
-  -c, --config string   config file (default /home/ladicle/.hack.yaml)
-  -h, --help            help for hack
+      --alsologtostderr                  log to standard error as well as files
+  -c, --config string                    config file (default ~/.hack.yaml)
+  -h, --help                             help for hack
+      --log_backtrace_at traceLocation   when logging hits line file:N, emit a stack trace (default :0)
+      --log_dir string                   If non-empty, write log files in this directory
+      --logtostderr                      log to standard error instead of files
+      --stderrthreshold severity         logs at or above this threshold go to stderr (default 2)
+  -v, --v Level                          log level for V logs
+      --vmodule moduleSpec               comma-separated list of pattern=N settings for file-filtered logging
 
 Use "hack [command] --help" for more information about a command.
 ```