increase-account-size.rs

// Old code
#[derive(Accounts)]
pub struct Initialize<'info> {
    #[account(mut)]
    wallet: Signer<'info>,
    #[account(init, payer=wallet, space=100)]
    foo_account: Account<'info, FooAccount>,
    system_program: Program<'info, System>,
}

// New code
#[derive(Accounts)]
pub struct Initialize<'info> {
    #[account(mut)]
    wallet: Signer<'info>,
    #[account(init, payer=wallet, space=200)]
    foo_account: Account<'info, FooAccount>,
    system_program: Program<'info, System>,
}