feat(types): move Emigrate types to separate package and improve types (#41)

* feat(types): move Emigrate types to separate package

Also refactor the types to use discriminating unions for easier error handling and such.
Errors passed to storage plugins should now be serialized and storage plugins are expected to return already serialized errors on failed history entries.

* fix(mysql): handle the new type changes

* fix(storage-fs): handle the new type changes

* feat(cli): better error handling and types

Adapt to the new types from the @emigrate/types package, like discriminating union types and serializing and deserializing errors

.changeset/early-hornets-marry.md

@@ -0,0 +1,5 @@
+---
+'@emigrate/cli': minor
+---
+
+Make Emigrate Error instances deserializable using the serialize-error package, and also switch to its serializeError method

.changeset/eleven-sheep-think.md

@@ -0,0 +1,5 @@
+---
+'@emigrate/cli': patch
+---
+
+Shutdown the storage correctly in case of directory or file reading errors

.changeset/healthy-monkeys-tan.md

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+---
+'@emigrate/types': minor
+---
+
+Use discriminating union types for migration types for easier error handling and such

.changeset/hip-mayflies-provide.md

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+---
+'@emigrate/plugin-tools': minor
+'@emigrate/types': minor
+---
+
+Move the Emigrate plugin types to a separate package for fewer version bumps in plugins hopefully

.changeset/moody-penguins-repair.md

@@ -0,0 +1,5 @@
+---
+'@emigrate/cli': minor
+---
+
+Adapt to the new discriminating union types in @emigrate/types

.changeset/spotty-otters-attack.md

@@ -0,0 +1,5 @@
+---
+'@emigrate/types': minor
+---
+
+Make it easier for storage plugins by serializing errors passed to the onError method and let it respond with serialized errors in the getHistory method