chore: Update meta data and add icons to theme commands

package.json

@@ -5,9 +5,7 @@
   "version": "1.4.0",
   "publisher": "Equinusocio",
   "license": "Apache-2.0",
-  "contributors": [
-    "Paolo Roth [@OctoD]"
-  ],
+  "author": "Mattia Astorino [@equinusocio]",
   "icon": "logo.png",
   "galleryBanner": {
     "color": "#263238",
@@ -48,10 +46,9 @@
   "contributes": {
     "commands": [
       {
-        "category": "Material theme",
+        "category": "🎨 Material theme",
         "command": "material.theme.config",
-        "title": "Settings",
-        "icon": "./icons/ai.svg"
+        "title": "Settings"
       }
     ],
     "configuration": {