Dustin/chain page verification requests (#5828)

## Problem solved

Update chain pages for:
Flare Mainnet - partial update
GPT Mainnet
Appchain
Cyber Mainnet
Zetachain Test and Mainnet

Linear ticket INFRA-523

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## PR-Codex overview
This PR focuses on adding new assets and enhancing the metadata for various blockchain projects, including `Cyber`, `Flare`, `Appchain`, `GPT`, and `Zetachain`. It updates the `chainMetaRecord` to include new images, descriptions, and call-to-action details for these projects.

### Detailed summary
- Added new image imports for `appChainBanner`, `appchainCTA`, `cyberCTA`, `cyberChainBanner`, `gptCTA`, `gptChainBanner`, `zetachainBanner`, and `zetachainCTA`.
- Updated `chainMetaRecord` for `Cyber` with a new description and CTA.
- Added metadata for `Flare` including a description.
- Added metadata for `Appchain` with a description and CTA.
- Added metadata for `GPT Mainnet` with a description and CTA.
- Added metadata for `Zetachain` and its Testnet with descriptions and CTAs.

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Author: DustinTurska