Update Hyvä category and description

Put Hyvä under "eCommerce" and specify that the theme is optimized for performance.

src/technologies/h.json

@@ -1534,9 +1534,9 @@
   },
   "Hyva Themes": {
     "cats": [
-      19
+      6
     ],
-    "description": "Hyva Themes is an optimised theme for Magento 2 which eliminated the third-party libraries and having only two dependencies Alpine.js and Tailwind CSS.",
+    "description": "Hyva Themes is an performance-optimised theme for Magento 2 which eliminated the third-party libraries and having only two dependencies Alpine.js and Tailwind CSS.",
     "headers": {
       "X-Built-With": "^Hyva Themes$"
     },
@@ -1613,4 +1613,4 @@
     "scriptSrc": "merchant\\.cdn\\.hoolah\\.co/",
     "website": "https://www.hoolah.co"
   }
-}
+}