feat: add example of extend icon

Author: carwack

packages/c-icon/examples/with-extend-icon.vue

@@ -0,0 +1,14 @@
+<template>
+  <div>
+    <c-icon size="10" name="discord" />
+  </div>
+</template>
+
+<script lang="ts">
+import { CIcon } from '@chakra-ui/c-icon'
+import { defineComponent } from 'vue'
+
+export default defineComponent({
+  components: { CIcon },
+})
+</script>

playground/src/main.ts

@@ -14,7 +14,14 @@ const app = createApp(App)
     icons: {
       library: {
         feActivity
-      }
+      },
+      extend: {
+        discord: {
+          path:
+            '<path fill="currentColor" d="M297.216 243.2c0 15.616-11.52 28.416-26.112 28.416-14.336 0-26.112-12.8-26.112-28.416s11.52-28.416 26.112-28.416c14.592 0 26.112 12.8 26.112 28.416zm-119.552-28.416c-14.592 0-26.112 12.8-26.112 28.416s11.776 28.416 26.112 28.416c14.592 0 26.112-12.8 26.112-28.416.256-15.616-11.52-28.416-26.112-28.416zM448 52.736V512c-64.494-56.994-43.868-38.128-118.784-107.776l13.568 47.36H52.48C23.552 451.584 0 428.032 0 398.848V52.736C0 23.552 23.552 0 52.48 0h343.04C424.448 0 448 23.552 448 52.736zm-72.96 242.688c0-82.432-36.864-149.248-36.864-149.248-36.864-27.648-71.936-26.88-71.936-26.88l-3.584 4.096c43.52 13.312 63.744 32.512 63.744 32.512-60.811-33.329-132.244-33.335-191.232-7.424-9.472 4.352-15.104 7.424-15.104 7.424s21.248-20.224 67.328-33.536l-2.56-3.072s-35.072-.768-71.936 26.88c0 0-36.864 66.816-36.864 149.248 0 0 21.504 37.12 78.08 38.912 0 0 9.472-11.52 17.152-21.248-32.512-9.728-44.8-30.208-44.8-30.208 3.766 2.636 9.976 6.053 10.496 6.4 43.21 24.198 104.588 32.126 159.744 8.96 8.96-3.328 18.944-8.192 29.44-15.104 0 0-12.8 20.992-46.336 30.464 7.68 9.728 16.896 20.736 16.896 20.736 56.576-1.792 78.336-38.912 78.336-38.912z" fa-key="3" fill="currentColor"></path>',
+          viewBox: '0 0 496 512',
+        },
+      },
     },
     extendTheme: extendTheme({
       config: {