Refactor login, pass bunker to alerts

src/app/components/BunkerUrl.svelte

@@ -0,0 +1,32 @@
+<script lang="ts">
+  import {pushModal} from "@app/modal"
+  import InfoBunker from "@app/components/InfoBunker.svelte"
+  import Button from "@lib/components/Button.svelte"
+  import Field from "@lib/components/Field.svelte"
+  import Icon from "@lib/components/Icon.svelte"
+
+  type Props = {
+    bunker: string
+    loading: boolean
+  }
+
+  let {loading, bunker = $bindable("")}: Props = $props()
+</script>
+
+<Field>
+  {#snippet label()}
+    <p>Bunker Link*</p>
+  {/snippet}
+  {#snippet input()}
+    <label class="input input-bordered flex w-full items-center gap-2">
+      <Icon icon="cpu" />
+      <input disabled={loading} bind:value={bunker} class="grow" placeholder="bunker://" />
+    </label>
+  {/snippet}
+  {#snippet info()}
+    <p>
+      A login link provided by a nostr signing app.
+      <Button class="link" onclick={() => pushModal(InfoBunker)}>What is a bunker link?</Button>
+    </p>
+  {/snippet}
+</Field>