diff --git a/app/_layout.tsx b/app/_layout.tsx
index d2a8b0b..cc241a2 100644
--- a/app/_layout.tsx
+++ b/app/_layout.tsx
@@ -1,5 +1,20 @@
-import { Stack } from "expo-router";
+import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native';
+import { Stack } from 'expo-router';
+import { StatusBar } from 'expo-status-bar';
+import 'react-native-reanimated';
+
+export const unstable_settings = {
+  anchor: '(tabs)',
+};
 
 export default function RootLayout() {
-  return <Stack />;
+  return (
+    <ThemeProvider value={DarkTheme}>
+      <Stack>
+        <Stack.Screen name="(tabs)" options={{ headerShown: false }} />
+        <Stack.Screen name="modal" options={{ presentation: 'modal', title: 'Modal' }} />
+      </Stack>
+      <StatusBar style="auto" />
+    </ThemeProvider>
+  );
 }
diff --git a/lexicons.json b/lexicons.json
new file mode 100644
index 0000000..8d57219
--- /dev/null
+++ b/lexicons.json
@@ -0,0 +1,6 @@
+{
+  "version": 1,
+  "lexicons": [
+    "dev.maelstrom.bramblr.post"
+  ]
+}
\ No newline at end of file
diff --git a/lexicons/dev/maelstrom/bramblr/post.json b/lexicons/dev/maelstrom/bramblr/post.json
new file mode 100644
index 0000000..a88d9aa
--- /dev/null
+++ b/lexicons/dev/maelstrom/bramblr/post.json
@@ -0,0 +1,27 @@
+{
+  "$type": "com.atproto.lexicon.schema",
+  "id": "dev.maelstrom.bramblr.post",
+  "lexicon": 1,
+  "defs": {
+    "main": {
+      "key": "tid",
+      "type": "record",
+      "description": "Record describing a text post, plain repost, or repost with text",
+      "record": {
+        "type": "object",
+        "properties": {
+          "text": {
+            "type": "string",
+            "maxLength": 4096000,
+            "description": "Temporary text content"
+          },
+          "createdAt": {
+            "type": "string",
+            "format": "datetime",
+            "description": "The time when the post was originally created."
+          }
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/lexicons/dev.ts b/src/lexicons/dev.ts
new file mode 100644
index 0000000..012e322
--- /dev/null
+++ b/src/lexicons/dev.ts
@@ -0,0 +1,5 @@
+/*
+ * THIS FILE WAS GENERATED BY "@atproto/lex". DO NOT EDIT.
+ */
+
+export * as maelstrom from './dev/maelstrom.js'
diff --git a/src/lexicons/dev/maelstrom.ts b/src/lexicons/dev/maelstrom.ts
new file mode 100644
index 0000000..ea3e634
--- /dev/null
+++ b/src/lexicons/dev/maelstrom.ts
@@ -0,0 +1,5 @@
+/*
+ * THIS FILE WAS GENERATED BY "@atproto/lex". DO NOT EDIT.
+ */
+
+export * as bramblr from './maelstrom/bramblr.js'
diff --git a/src/lexicons/dev/maelstrom/bramblr.ts b/src/lexicons/dev/maelstrom/bramblr.ts
new file mode 100644
index 0000000..90e2330
--- /dev/null
+++ b/src/lexicons/dev/maelstrom/bramblr.ts
@@ -0,0 +1,5 @@
+/*
+ * THIS FILE WAS GENERATED BY "@atproto/lex". DO NOT EDIT.
+ */
+
+export * as post from './bramblr/post.js'
diff --git a/src/lexicons/dev/maelstrom/bramblr/post.defs.ts b/src/lexicons/dev/maelstrom/bramblr/post.defs.ts
new file mode 100644
index 0000000..89ed0a3
--- /dev/null
+++ b/src/lexicons/dev/maelstrom/bramblr/post.defs.ts
@@ -0,0 +1,51 @@
+/*
+ * THIS FILE WAS GENERATED BY "@atproto/lex". DO NOT EDIT.
+ */
+
+import { l } from '@atproto/lex'
+
+const $nsid = 'dev.maelstrom.bramblr.post'
+
+export { $nsid }
+
+/** Record describing a text post, plain repost, or repost with text */
+type Main = {
+  $type: 'dev.maelstrom.bramblr.post'
+
+  /**
+   * Temporary text content
+   */
+  text?: string
+
+  /**
+   * The time when the post was originally created.
+   */
+  createdAt?: l.DatetimeString
+}
+
+export type { Main }
+
+/** Record describing a text post, plain repost, or repost with text */
+const main = l.record<'tid', Main>(
+  'tid',
+  $nsid,
+  l.object({
+    text: l.optional(l.string({ maxLength: 4096000 })),
+    createdAt: l.optional(l.string({ format: 'datetime' })),
+  }),
+)
+
+export { main }
+
+export const $isTypeOf = /*#__PURE__*/ main.isTypeOf.bind(main),
+  $build = /*#__PURE__*/ main.build.bind(main),
+  $type = /*#__PURE__*/ main.$type
+export const $assert = /*#__PURE__*/ main.assert.bind(main),
+  $check = /*#__PURE__*/ main.check.bind(main),
+  $cast = /*#__PURE__*/ main.cast.bind(main),
+  $ifMatches = /*#__PURE__*/ main.ifMatches.bind(main),
+  $matches = /*#__PURE__*/ main.matches.bind(main),
+  $parse = /*#__PURE__*/ main.parse.bind(main),
+  $safeParse = /*#__PURE__*/ main.safeParse.bind(main),
+  $validate = /*#__PURE__*/ main.validate.bind(main),
+  $safeValidate = /*#__PURE__*/ main.safeValidate.bind(main)
diff --git a/src/lexicons/dev/maelstrom/bramblr/post.ts b/src/lexicons/dev/maelstrom/bramblr/post.ts
new file mode 100644
index 0000000..774a5f4
--- /dev/null
+++ b/src/lexicons/dev/maelstrom/bramblr/post.ts
@@ -0,0 +1,6 @@
+/*
+ * THIS FILE WAS GENERATED BY "@atproto/lex". DO NOT EDIT.
+ */
+
+export * from './post.defs.js'
+export * as $defs from './post.defs.js'