Fix publish manifest

Author: CalvinAllen

src/extension.manifest.json

@@ -2,7 +2,7 @@
   "$schema": "http://json.schemastore.org/vsix-publish",
   "categories": [ "coding", "other", "programming languages"],
   "identity": {
-    "displayName": "Open in Notepad++"
+    "displayName": "Open in Notepad++",
     "internalName": "VS-OpenInNotepadPlusPlus",
     "icon": "Resources/Icon.png",
     "tags": ["code", "text", "notepad++"],