diff --git a/.gitignore b/.gitignore
index 777ccfd..b1e12db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,9 @@ build/
 
 .idea/
 *._*
-.flutter*
\ No newline at end of file
+.flutter*
+
+# Packages should not commit the "pubspec.lock" file. 
+#
+# See https://dart.dev/guides/libraries/private-files#pubspeclock
+/pubspec.lock
diff --git a/pubspec.lock b/pubspec.lock
deleted file mode 100644
index 47ab3d0..0000000
--- a/pubspec.lock
+++ /dev/null
@@ -1,186 +0,0 @@
-# Generated by pub
-# See https://dart.dev/tools/pub/glossary#lockfile
-packages:
-  async:
-    dependency: transitive
-    description:
-      name: async
-      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.11.0"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.1"
-  characters:
-    dependency: transitive
-    description:
-      name: characters
-      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.0"
-  clock:
-    dependency: transitive
-    description:
-      name: clock
-      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.1"
-  collection:
-    dependency: transitive
-    description:
-      name: collection
-      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.17.1"
-  fake_async:
-    dependency: transitive
-    description:
-      name: fake_async
-      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.1"
-  ffi:
-    dependency: "direct main"
-    description:
-      name: ffi
-      sha256: a38574032c5f1dd06c4aee541789906c12ccaab8ba01446e800d9c5b79c4a978
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.1"
-  flat_buffers:
-    dependency: "direct main"
-    description:
-      name: flat_buffers
-      sha256: "23e2ced0d8e8ecdffbd9f267f49a668c74438393b9acaeac1c724123e3764263"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.5"
-  flutter:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_web_plugins:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.6.7"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.12.15"
-  material_color_utilities:
-    dependency: transitive
-    description:
-      name: material_color_utilities
-      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.2.0"
-  meta:
-    dependency: transitive
-    description:
-      name: meta
-      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.9.1"
-  path:
-    dependency: "direct main"
-    description:
-      name: path
-      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.8.3"
-  sky_engine:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.99"
-  source_span:
-    dependency: transitive
-    description:
-      name: source_span
-      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.9.1"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.11.0"
-  stream_channel:
-    dependency: transitive
-    description:
-      name: stream_channel
-      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.1"
-  string_scanner:
-    dependency: transitive
-    description:
-      name: string_scanner
-      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.0"
-  term_glyph:
-    dependency: transitive
-    description:
-      name: term_glyph
-      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.1"
-  test_api:
-    dependency: transitive
-    description:
-      name: test_api
-      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.5.1"
-  vector_math:
-    dependency: transitive
-    description:
-      name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.4"
-sdks:
-  dart: ">=3.0.0-0 <4.0.0"
-  flutter: ">=1.10.0"