Update REST-cheatsheet.md documentation

Added:
    - New line to be uniform.
    - Reboot host command.
    - Clear gard records.

Change-Id: I736daf8552f532b35d4d60d190dd9a7eb5632133
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/REST-cheatsheet.md b/REST-cheatsheet.md
index 29bfcab..97e43d9 100644
--- a/REST-cheatsheet.md
+++ b/REST-cheatsheet.md
@@ -30,28 +30,43 @@
     ```
     $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data":"xyz.openbmc_project.State.Chassis.Transition.Off"}' https://${bmc}//xyz/openbmc_project/state/chassis0/attr/RequestedPowerTransition
     ```
+
 * Host power on:
     ```
     $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -d '{"data": "xyz.openbmc_project.State.Host.Transition.On"}' -X PUT https://${bmc}/xyz/openbmc_project/state/host0/attr/RequestedHostTransition
     ```
 
+* Reboot Host:
+    ```
+    $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data":"xyz.openbmc_project.State.Host.Transition.Reboot"}' https://${bmc}/xyz/openbmc_project/state/host0/attr/RequestedHostTransition
+    ```
+
 * Reboot BMC:
     ```
     $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data":"xyz.openbmc_project.State.BMC.Transition.Reboot"}' https://${bmc}//xyz/openbmc_project/state/bmc0/attr/RequestedBMCTransition
     ```
+
 * Delete logging entries:
     ```
     $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X DELETE https://${bmc}/xyz/openbmc_project/logging/entry/<entry_id>
     $ curl -b cjar -k -H 'Content-Type: application/json' -X POST -d '{"data":[]}' https://${bmc}/xyz/openbmc_project/logging/action/DeleteAll
     ```
+
+* Clear gard records:
+    ```
+    $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X POST -d '{"data":[]}' https://${bmc}/org/open_power/control/gard/action/Reset
+    ```
+
 * Set boot mode:
     ```
     $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT https://${bmc}/xyz/openbmc_project/control/host0/boot/one_time/attr/BootMode -d '{"data": "xy.openbmc_project.Control.Boot.Mode.Modes.Regular"}'
     ```
+
 * Set boot source:
     ```
     $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT https://${bmc}/xyz/openbmc_project/control/host0/boot/one_time/attr/BootSource -d '{"data": "xyz.openbmc_project.Control.Boot.Source.Sources.Default"}
     ```
+
 * Set NTP and Nameserver:
 
     Examples using public server.
@@ -64,3 +79,4 @@
     ```
     $ curl -c cjar -b cjar -k -H "Content-Type: application/json" -X PUT -d '{"data": ["time.google.com"] }' https://${bmc}/xyz/openbmc_project/network/eth0/attr/Nameservers
     ```
+