feat(icons): Added cupcake icon (#3000)

* Added svg and json for cupcake icon

* Update cupcake.svg

* Update cupcake.json

---------

Co-authored-by: Eric Fennis <eric.fennis@gmail.com>
Co-authored-by: Karsa <contact@karsa.org>

icons/cupcake.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "AnnaSasDev",
+    "briz123",
+    "ajokt123",
+    "rrod497",
+    "karsa-mistmere"
+  ],
+  "use-cases": [
+    "Representing cupcakes in bakery product catalogs",
+    "Filtering dessert options in food ordering apps",
+    "Marking treats for parties or celebrations"
+  ],
+  "tags": [
+    "cake",
+    "dessert",
+    "food",
+    "celebration",
+    "sweet",
+    "baking",
+    "cooking"
+  ],
+  "categories": [
+    "food-beverage"
+  ]
+}

icons/cupcake.svg

@@ -0,0 +1,19 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M12 22v-9" />
+  <path d="M14 4h1a3 3 0 013 3l-.004.125A4 4 0 0121 11v2" />
+  <path d="m15.5 22 1.5-9" />
+  <path d="M21 13a1 1 0 01.919 1.394l-2.74 6.394A2 2 0 0117.34 22H6.659a2 2 0 01-1.838-1.212l-2.74-6.394A1 1 0 013 13z" />
+  <path d="M3 13v-2a4 4 0 013.003-3.875L6 7a3 3 0 013-3h1" />
+  <path d="M8.5 22 7 13" />
+  <circle cx="12" cy="4" r="2" />
+</svg>