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feat: new type of AbstractError (#118)

### Why?

* suggest to use `AbstractError.code` only for a conditional statement
* clean the mess of old version up

### Changes

* a globally unique id - `AbstractError.code`
* all metadata goes into the `extra`
* each `AbstractError` has `extra.uuid`
* errors thrown by third-party libraries which doesn't inherit `AbstractError` will be handled as `AbstractEtcError`
* `AbstractEtcError` has its own `Error.name` such as `TypeError`, `TimeoutError`, `MongooseError`

### In your `error.ts` of the individual islands

* change the original code to fit the new signature of `AbstractError`
* call `setIslandCode(islandCode)` - let the `islandCode` be unique in your islands cluster

RELEASE_CANDIDATE

fix #47 #41

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