add publisher to package.json

Author: feli0x

package.json

@@ -2,6 +2,7 @@
   "name": "workspace-code-snippets",
   "displayName": "Workspace Code Snippets",
   "author": "Felix Swinkels",
+  "publisher": "feli0x",
   "homepage": "https://felix.surf/",
   "description": "Create code snippets in your workspace and share them with your team.",
   "repository": "https://github.com/feli0x/workspace-code-snippets",