Work on login screen

src/app/components/Landing.svelte

@@ -0,0 +1,23 @@
+<script lang="ts">
+  import CardButton from '@lib/components/CardButton.svelte'
+  import LogIn from '@app/components/LogIn.svelte'
+  import SignUp from '@app/components/SignUp.svelte'
+  import {pushModal} from '@app/modal'
+
+  const logIn = () => pushModal(LogIn)
+
+  const signUp = () => pushModal(SignUp)
+</script>
+
+<div class="column gap-4">
+  <div class="py-2">
+    <h1 class="heading">Welcome to Flotilla!</h1>
+    <p class="text-center">The chat app built for sovereign communities.</p>
+  </div>
+  <CardButton icon="login-2" title="Log in" on:click={logIn}>
+    If you've been here before, you know the drill.
+  </CardButton>
+  <CardButton icon="add-circle" title="Create an account" on:click={signUp}>
+    Just a few questions and you'll be on your way.
+  </CardButton>
+</div>