Define better tags and categories

Author: matijaoe

package.json

@@ -13,16 +13,21 @@
   "publisher": "matijao",
   "repository": "https://github.com/mat2ja/modern-javascript-snippets",
   "categories": [
-    "Snippets",
-    "Programming Languages"
+    "Snippets"
   ],
   "keywords": [
     "javascript",
     "typescript",
     "js",
     "ts",
     "es6",
-    "ESNext"
+    "es10",
+    "esnext",
+    "intellisense",
+    "autocomplete",
+    "vscode",
+    "snippets",
+    "snippet"
   ],
   "galleryBanner": {
     "color": "#EFDB50",