docs(create account): add rust code snippets for creating an account

[cogoo]

re #127

Might be worth evaluating how much/little should be in the preview

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🔍 Inspect: https://vercel.com/cookbook/solana-cookbook/52sGJVfEm8ntY3xBTGkLNc3qoBt6
✅ Preview: https://solana-cookbook-git-fork-cogoo-docs-create-account-rs-cookbook.vercel.app

[jacobcreech]

Looks great. One thing though, I think we should match previews if possible across languages. So the rust preview would be like

let create_account_ix = system_instruction::create_account(
        &from_pubkey,
        &new_account_pubkey,
        rent_exemption_amount,
        space as u64,
        &from_pubkey,
    );

    let (recent_blockhash, _) = connection.get_recent_blockhash().unwrap();

    let create_account_tx = solana_sdk::transaction::Transaction::new_signed_with_payer(
        &[create_account_ix],
        Some(&from_pubkey),
        &[&from_keypair, &new_account_keypair],
        recent_blockhash,
    );

    match connection.send_and_confirm_transaction(&create_account_tx) {
        Ok(sig) => loop {
            if let Ok(confirmed) = connection.confirm_transaction(&sig) {
                if confirmed {
                    println!("Transaction: {} Status: {}", sig, confirmed);
                    break;
                }
            }
        },
        Err(_) => println!("Error creating system account"),
    };

[cogoo]

Looks great. One thing though, I think we should match previews if possible across languages. So the rust preview would be like

let create_account_ix = system_instruction::create_account(
        &from_pubkey,
        &new_account_pubkey,
        rent_exemption_amount,
        space as u64,
        &from_pubkey,
    );

    let (recent_blockhash, _) = connection.get_recent_blockhash().unwrap();

    let create_account_tx = solana_sdk::transaction::Transaction::new_signed_with_payer(
        &[create_account_ix],
        Some(&from_pubkey),
        &[&from_keypair, &new_account_keypair],
        recent_blockhash,
    );

    match connection.send_and_confirm_transaction(&create_account_tx) {
        Ok(sig) => loop {
            if let Ok(confirmed) = connection.confirm_transaction(&sig) {
                if confirmed {
                    println!("Transaction: {} Status: {}", sig, confirmed);
                    break;
                }
            }
        },
        Err(_) => println!("Error creating system account"),
    };

yup, makes sense!

[cogoo]

updated