Add validation tags; Write custom unmarshal that triggers validation

[github-actions]

State is a dto for airbyte state serialization

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https://github.com/piyushsingariya/Shift/blob/47dd1e877a0977bfedf7df26516219256d669e62/types/state.go#L20-L25

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This issue was generated by todo-issue based on a TODO comment in 47dd1e8. It's been assigned to @piyushsingariya because they committed the code.

[github-actions]

Add validation tags; Write custom unmarshal that triggers validation

State is a dto for airbyte state serialization

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Gear5/types/state.go

Lines 22 to 27 in ce68bd1

	// TODO: Add validation tags; Write custom unmarshal that triggers validation
	// State is a dto for airbyte state serialization
	type State struct {
	*sync.Mutex `json:"-"`
	Type StateType `json:"type"`
	Global any `json:"global,omitempty"`

---

This comment was generated by todo-issue based on a TODO comment in ce68bd1. It's been assigned to @piyushsingariya because they committed the code.