Add user registration and auth web app

FastAPI + Jinja2 + MariaDB web application with registration,
login, profile, password reset, and email confirmation flows.
All UI in Russian. Styled with Evotor brand colors.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/config.py

@@ -0,0 +1,13 @@
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    DATABASE_URL: str = "mysql+pymysql://evosync:evosync@localhost:3306/evosync"
+    SECRET_KEY: str = "change-me-in-production"
+    BASE_URL: str = "http://localhost:8000"
+    PASSWORD_RESET_EXPIRE_MINUTES: int = 60
+
+    model_config = {"env_file": ".env"}
+
+
+settings = Settings()