feat: add monolisa houston pair

Author: ahmedsomaa

data/pairs.json

@@ -69,15 +69,15 @@
     }
   },
   {
-    "id": "dank-owl",
-    "image": "/img/dank-owl.png",
+    "id": "monolisa-houston",
+    "image": "/img/monolisa-houston.png",
     "font": {
-      "name": "Dank Mono",
-      "url": "https://philpl.gumroad.com/l/dank-mono"
+      "name": "MonoLisa",
+      "url": "https://www.monolisa.dev/"
     },
     "theme": {
-      "name": "Night Owl",
-      "url": "https://marketplace.visualstudio.com/items?itemName=sdras.night-owl"
+      "name": "Houston",
+      "url": "https://marketplace.visualstudio.com/items?itemName=astro-build.houston"
     }
   }
 ]