Add README.md

README.md

+# inventory of Check Point Hardware Appliances
+
+**Note: this packages is for CheckMK version 2.x. For other versions see the corresponding branch.**
+
+adds the following to the inventory:
+
+* Available/installed/recommended updates
+
+Here is a sample inventory
+![sample Check point inventory](/doc/sample.png?raw=true "sample Check Point inventory")