Add bottom compose layout

app/src/main/res/layouts/mastodon/layout/layout_bottom_compose.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="6dp">
+
+    <androidx.appcompat.widget.LinearLayoutCompat
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:baselineAligned="false"
+        android:gravity="bottom">
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/add_attachment_button"
+            style="@style/Widget.Material3.Button.IconButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:icon="@drawable/ic_compose_attach" />
+
+        <androidx.appcompat.widget.AppCompatEditText
+            android:id="@+id/text"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:maxLines="6"
+            tools:text="@tools:sample/lorem/random" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/send_button"
+            style="@style/Widget.Material3.Button.IconButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:icon="@drawable/ic_baseline_send_24" />
+
+    </androidx.appcompat.widget.LinearLayoutCompat>
+
+</com.google.android.material.card.MaterialCardView>