design: change to good svg!

src/components/SignInGithub.vue

@@ -16,6 +16,22 @@ const href = url.toString()
 <template>
   <a :href="href" class="sign-in-github btn btn-primary">
     Sign in with
-    <img src="/assets/github.svg" alt="GitHub" />
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      class="icon icon-tabler icon-tabler-brand-github"
+      width="28"
+      height="28"
+      viewBox="0 0 24 24"
+      stroke-width="1.5"
+      stroke="currentColor"
+      fill="none"
+      stroke-linecap="round"
+      stroke-linejoin="round"
+    >
+      <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+      <path
+        d="M9 19c-4.3 1.4 -4.3 -2.5 -6 -3m12 5v-3.5c0 -1 .1 -1.4 -.5 -2c2.8 -.3 5.5 -1.4 5.5 -6a4.6 4.6 0 0 0 -1.3 -3.2a4.2 4.2 0 0 0 -.1 -3.2s-1.1 -.3 -3.5 1.3a12.3 12.3 0 0 0 -6.2 0c-2.4 -1.6 -3.5 -1.3 -3.5 -1.3a4.2 4.2 0 0 0 -.1 3.2a4.6 4.6 0 0 0 -1.3 3.2c0 4.6 2.7 5.7 5.5 6c-.6 .6 -.6 1.2 -.5 2v3.5"
+      />
+    </svg>
   </a>
 </template>