Change Group Name ( inventory ) by add step number in front of group name

install_admin.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: 05_install-wildfly-admin
   become: true
   tasks:
     - name: Install Admin Wildfly

install_dmaengine_db.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: install-mongodb-inst03
   become: true
   tasks:
     - name: Install DMAENGINE DB

install_dmamanager_db.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: install-mongodb-inst01
   become: true
   tasks:
     - name: Install DMA Manager DB

install_mqtt.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: 05_install_mqtt
   become: true
   tasks:
     - name: Move MQTT to Working Folder

install_runtime.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: 05_install-wildfly-runtime
   become: true
   tasks:
     - name: Install Runtime Wildfly

install_servicegateway_db.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: install-mongodb-inst02
   become: true
   tasks:
     - name: Install DMA Manager DB

install_wdchat_db.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: 05_install-mongodb-inst00
   become: true
   tasks:
     - name: Install WDCHAT DB

install_wdchat_postgresql_db.yml

 ---
-- hosts: install-wdchat-dma
+- hosts: 05_install-postgres
   become: true
   tasks:
-    - name: Install WDCHAT DB
+    - name: Install postgres software
       command: /tmp/source/bitnami-postgresql-9.6.2-0-linux-x64-installer.run --optionfile /tmp/configuration/wdchat-postgres.conf --mode unattended
\ No newline at end of file

install_webgate.yml

 ---
-- hosts: install-webgate-wdchat-dma-twohost
+- hosts: 05_install-webgate-wdchat-dma-twohost
   become: true
   tasks:
     - name: Move NginX to Working Folder
@@ -9,7 +9,7 @@
     - name: Delete File
       command: rm /opt/stack/webgate.3.0.4.tar.gz
 
-- hosts: install-webgate-wdchat-dma
+- hosts: 05_install-webgate-wdchat-dma
   become: true
   tasks:
     - name: Move NginX to Working Folder
@@ -19,7 +19,7 @@
     - name: Delete File
       command: rm /opt/stack/webgate.singlehost.dma.plus.wdchat.conf.tar.gz
 
-- hosts: install-webgate-dma
+- hosts: 05_install-webgate-dma
   become: true
   tasks:
     - name: Move NginX to Working Folder
@@ -29,7 +29,7 @@
     - name: Delete File
       command: rm /opt/stack/webgate.singlehost.dma.conf.tar.gz
       
-- hosts: install-webgate-dma-3.1.0
+- hosts: 05_install-webgate-dma-3.1.0
   become: true
   tasks:
     - name: Move NginX to Working Folder