Add delete for file

Author: adityapatwardhan

resources/filesys/file.dsc.resource.json

@@ -26,6 +26,17 @@
         ],
         "input": "stdin"
     },
+    "delete": {
+        "executable": "filesys",
+        "args": [
+            "delete",
+            {
+                "jsonInputArg": "--input",
+                "mandatory": true
+            }
+        ],
+        "input": "stdin"
+    }
     "schema": {
         "command": {
             "executable": "filesys",