Add metamask signing and sending transaction examples to the docs

[avkos]

• Rename this section https://docs.web3js.org/guides/getting_started/metamask to "Interacting with metamask" or similar
• Add metamask signing and sending transaction examples to the docs
• Add interactive code example

[jdevcs]

add example of using: https://docs.web3js.org/guides/web3_providers_guide/eip6963

[Ashish-Kumar-007]

Hey @avkos can I work on it?

Please let me know if there are any specific guidelines I should follow.

[EmmanuelOluwafemi]

@danforbes @avkos @SantiagoDevRel Has this been done? If not, can I work on it?

[danforbes]

@EmmanuelOluwafemi - this Issue has not been prioritized yet. We'll reach out to you if we decide to seek help from external contributors on this issue. Thank you for checking in 🙏🏻