Reorder command flag and add missing flags (#1394)

pkg/apis/fission.io/v1/types.go

@@ -343,7 +343,8 @@ type (
 		// InvokeStrategy is a set of controls which affect how function executes
 		InvokeStrategy InvokeStrategy
 
-		// FunctionTimeout provides a maximum amount of duration wihtin which a request for a particular function execution should be complete.
+		// FunctionTimeout provides a maximum amount of duration within which a request for
+		// a particular function execution should be complete.
 		// This is optional. If not specified default value will be taken as 60s
 		FunctionTimeout int `json:"functionTimeout,omitempty"`
 	}