Adding ansible vault job dsl documentation

Author: KASSAMANY Yamen

Diff for: README.md

@@ -31,14 +31,15 @@ steps {
         skippedTags(String tags)
         startAtTask(String task)
         credentialsId(String id)
+        vaultCredentialsId(String id)
         become(boolean become = true)
         becomeUser(String user = 'root')
         sudo(boolean sudo = true)
         sudoUser(String user = 'root')
         forks(int forks = 5)
         unbufferedOutput(boolean unbufferedOutput = true)
         colorizedOutput(boolean colorizedOutput = false)
-        hostKeyChecking(boolean hostKeyChecking = false)
+        disableHostKeyChecking(boolean disableHostKeyChecking = false)
         additionalParameters(String params)
         extraVars {
             extraVar(String key, String value, boolean hidden)
@@ -50,6 +51,7 @@ steps {
         inventoryPath(String path)
         inventoryContent(String content, boolean dynamic = false)
         credentialsId(String id)
+        vaultCredentialsId(String id)
         hostPattern(String pattern)
         become(boolean become = true)
         becomeUser(String user = 'root')
@@ -58,12 +60,22 @@ steps {
         forks(int forks = 5)
         unbufferedOutput(boolean unbufferedOutput = true)
         colorizedOutput(boolean colorizedOutput = false)
-        hostKeyChecking(boolean hostKeyChecking = false)
+        disableHostKeyChecking(boolean disableHostKeyChecking = false)
         additionalParameters(String params)
         extraVars {
             extraVar(String key, String value, boolean hidden)
         }
     }
+    
+    ansibleVault {
+        ansibleName(String name)
+        action(String action)
+        vaultCredentialsId(String id)
+        newVaultCredentialsId(String id)
+        content(String content)
+        input(String input)
+        output(String output)
+    }
 }
 ```