Add shortcut to generateDocumentComment command (issue #11)

Signed-off-by: Csilla Farkas <csilla.farkas@sigmatechnology.com>

package.json

@@ -133,6 +133,13 @@
         }
       ]
     },
+    "keybindings": [
+      {
+        "key": "ctrl+shift+k",
+        "command": "titan.generateDocumentComment",
+        "when": "editorTextFocus"
+      }
+    ],
     "commands": [
       {
         "command": "tpdview.excludeByTpd",