Add new samples for Marketplace, Collections and NFTs

[juans-chainsafe]

Summary We need to add samples with the new endpoints to show how to use it in Unity, in the past we have those but using the old endpoints.

Suggested features or ways to address the summary Specs:

• https://docs.gaming.chainsafe.io/marketplace-api/docs/marketplaceapi
• https://docs.gaming.chainsafe.io/token-api/docs/tokenapi
• Create collection: https://docs.gaming.chainsafe.io/launchpad/tutorial#2-create-a-collection
• Deploy marketplace: https://docs.gaming.chainsafe.io/marketplace/tutorial#2-deploy-marketplace

Motivation Show devs how they can integrate they own marketplace into the ChainSafe SDK

Acceptance Criteria Dev should be able to:

• Create Collection of ERC-721 type
• Create Collection of ERC-1155 type
• Get created collections
• Remove collection if transaction failed
• Retry deployment of collection if transaction failed
• Mint NFT inside collection of ERC-721 type
• Mint NFT inside collection of ERC-1155 type with custom supply
• Get minted NFTs
• Create Marketplace
• List NFTs into created Marketplace
• Get listed NFTs inside Marketplace