diff --git a/chat_sample/build/web/assets/NOTICES b/chat_sample/build/web/assets/NOTICES
index 682a6c5..aa5ed91 100644
--- a/chat_sample/build/web/assets/NOTICES
+++ b/chat_sample/build/web/assets/NOTICES
@@ -4984,6 +4984,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--------------------------------------------------------------------------------
cross_file
+flutter_lints
flutter_plugin_android_lifecycle
google_identity_services_web
google_sign_in
@@ -32718,6 +32719,37 @@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+--------------------------------------------------------------------------------
+lints
+
+Copyright 2021, the Dart project authors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following
+ disclaimer in the documentation and/or other materials provided
+ with the distribution.
+ * Neither the name of Google LLC nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
--------------------------------------------------------------------------------
material_color_utilities
diff --git a/chat_sample/build/web/flutter_service_worker.js b/chat_sample/build/web/flutter_service_worker.js
index 338c0c9..ba157fd 100644
--- a/chat_sample/build/web/flutter_service_worker.js
+++ b/chat_sample/build/web/flutter_service_worker.js
@@ -4,10 +4,10 @@ const TEMP = 'flutter-temp-cache';
const CACHE_NAME = 'flutter-app-cache';
const RESOURCES = {"version.json": "c66ef7772c9af823b1216a3864bb639a",
-"index.html": "93663f8a3c0b55c7fbab2200c8b8fd5a",
-"/": "93663f8a3c0b55c7fbab2200c8b8fd5a",
+"index.html": "9b660a95d9e0d56d26578c0bf798a7a9",
+"/": "9b660a95d9e0d56d26578c0bf798a7a9",
"firebase-messaging-sw.js": "a43f2eac8588b877b1194cb36242cbae",
-"main.dart.js": "cc5e3d88f724e087dd6dec7c897be907",
+"main.dart.js": "721cab866d58493ce7c2b39fefa722d0",
"flutter.js": "c71a09214cb6f5f8996a531350400a9a",
"icons/favicon-16x16.png": "1fcc687e538a1fa2310543ea74432dd7",
"icons/favicon.ico": "33df157f932cc0af7754871debe8e8c2",
@@ -16,7 +16,7 @@ const RESOURCES = {"version.json": "c66ef7772c9af823b1216a3864bb639a",
"icons/favicon-32x32.png": "b664008f33a310f05ef871d037f27da0",
"manifest.json": "354bec2e18572e000457749fdce63207",
"assets/AssetManifest.json": "ca67c774c556fcd124bac6bdb62a79f5",
-"assets/NOTICES": "ab194a501eb8cdabf9ab7a104bd045ed",
+"assets/NOTICES": "e1db0d4eac4939ad89a1026d81f17c52",
"assets/FontManifest.json": "95766328e0d804735e9b8436b62cb8ad",
"assets/AssetManifest.bin.json": "6acb8f7f5572e4aa9d9b1f533751ec07",
"assets/packages/flutter_image_compress_web/assets/pica.min.js": "6208ed6419908c4b04382adc8a3053a2",
diff --git a/chat_sample/build/web/index.html b/chat_sample/build/web/index.html
index 5df2ddc..5340b39 100644
--- a/chat_sample/build/web/index.html
+++ b/chat_sample/build/web/index.html
@@ -39,7 +39,7 @@
https://developers.google.com/web/fundamentals/primers/service-workers -->