feat: Add fraudproof verification on a substore level

[Manav-Aggarwal]

Description

After a fraudproof is verified on store level, and before it is used to load a baseapp with its contents, it should first verify all the inclusion proofs embedded for each key/value on a substore level.

Parts covered from the cycle of a fraudproof:

Optimint Full/Light Node (Verifier of fraudproof)
2. It verifies the fraudproof by doing a cross-reference of a header app hash from the blockchain against the contents of a fraudproof

Parent issue: #245

Builds on top of #254

Closes: #255

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[Manav-Aggarwal]

everything is moved to cosmos-sdk-rollmint repo