Release 2.2.0

2.2.0

• Converts "shared" container variables from var to let. - Issue #111
• Add convenience reset() function to container. - Issue #111
  Note that issue #111 could be a breaking change if your code attempts to "replace" a shared container. Do reset instead.
  Container.shared.reset() // Do this...
  Container.shared = Container() // Not this...
• Removes @mainactor from @InjectedObject property wrapper variables. - Issue #107
• Fix registering a new context doesn't clear existing cache as did register. - Issue #114
• Fix FactoryContext not public. - Issue #116
• Update Modular Application documentation. - Issue #121
• Adds $service.resolvedOrNil() function to LazyInjected and WeakLazyInjected. - Issue #122
• Adds keypath-based global resolutions functions for shared containers.
• Removes func register(scope:factory:) function deprecated in 2.1
  Use container.service.scope(.cached).register { Service() } instead.