Adding tags (closes #9, #318) (#362)

* Adding various tags as a first iteration

* Adding quotes

* Adding 'Custom Format' properly

* Updating to key:value pairs

* Update template

YML-Schema.yml

@@ -57,6 +57,14 @@ mapping:
           "OperatingSystem":
             type: str
             required: true
+          "Tags":
+            type: seq
+            sequence:
+              - type: map
+                mapping:
+                  regex;(^[A-Z]):
+                    type: str
+            required: false
   "Full_Path":
     type: seq
     required: true