ReadMe update basic cli usage

README.md

@@ -29,6 +29,26 @@ svault store github_token xxxxxxxx
 svault get github_token
 ```
 
+## Basic CLI usage
+```
+Usage:
+  svault [command]
+
+Available Commands:
+  completion  Generate the autocompletion script for the specified shell
+  delete      Delete secret from vault store
+  get         Get secret from vault store
+  help        Help about any command
+  init        Init vault secret engine
+  list        List stored secret from vault store (Flages: -f, --freshInit)
+  status      Get the status of the vault engine
+  store       Store secret to vault store
+
+Flags:
+  -h, --help               help for get
+  -m, --masterkey string   Pass masterkey as flag
+```
+
 ## Build Process
 
 Build using go environment.