feat: adeded timer_screen and custom_timer, timer_screen connected in the main.py

pyproject.toml

@@ -1,19 +1,20 @@
-[tool.poetry]
+[project]
 name = "kawai-focus"
 version = "0.1.0"
 description = "Kawai.Focus - приложение для фокусировки внимания на основе таймера Pomodoro."
-authors = ["Arduinum <message.chaos628@gmail.com>"]
-license = "MIT"
+authors = [
+    {name = "Arduinum",email = "message.chaos628@gmail.com"}
+]
+license = {text = "MIT"}
 readme = "README.md"
-packages = [{include = "kawai_focus"}]
-
-[tool.poetry.dependencies]
-python = "3.12.0"
-kivy = "^2.3.1"
+requires-python = ">=3.12"
+dependencies = [
+    "kivy (>=2.3.1,<3.0.0)",
+]
 
 
 [build-system]
-requires = ["poetry-core"]
+requires = ["poetry-core>=2.0.0,<3.0.0"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.scripts]