1.7.0

• add type-safe state context API with Proxy
  Replaces the key based state context with a proxy-based
  implementation to simplify the API and provide a more
  intuitive way to access and manipulate nested state.

  const state = createState<StateType>({
      user: {
          profile: {
              settings: { theme: 'dark', lang: 'es' }
          }
      }
  });
  
  const settingsCtx = context(state).user.profile.settings;
  
  const settings = settingsCtx.get()!; // { theme: 'dark', lang: 'en' }

• deprecate KeyStateContext (KeyPath) as it lead to a dramatically increased compile time