feat: dictionary streams

[thantos]

dict.stream("myStream", (item) => {
    console.log(item.operation, item.newValue, item.key, item.namespace);
});

dictionaryStream("myStream", dict, (item) => {
    console.log(item.operation, item.newValue, item.key, item.namespace);
})

• [x] Create a dictionary stream concept
• [x] Add dictionaries to the spec and build manifest
• [x] Add dictionary stream to spec and build manifest
• [x] Create a dictionary stream handler/worker
• [x] Abstract the dictionary stream worker
• [x] Add ServiceType for DictionaryStreamWorker
• [x] Figure out dictionary stream options
  • [x] Event type (insert, mutate, delete)
  • [x] change to lower case
• [x] Generate a Pipe for each stream from dynamo to handler, filtered by the dictionary name
• [x] Create dictionary stream interface on the dictionary object
• [x] Support source location and transformer
• [x] Allow CDK overrides
• [x] Support local and test env
• [x] Add tests
  • [x] Runtime/local
  • [x] Test env