Smooth chat streaming output

[mariodian]

This won't build because types are missing.

src/hooks/useSubmit.ts:103:11 - error TS7034: Variable 'messageQueue' implicitly has type 'any[]' in some locations where its type cannot be determined.

103       let messageQueue = [];
              ~~~~~~~~~~~~

src/hooks/useSubmit.ts:108:34 - error TS7005: Variable 'messageQueue' implicitly has an 'any[]' type.

108             let messageContent = messageQueue.shift();
                                     ~~~~~~~~~~~~

src/hooks/useSubmit.ts:130:33 - error TS7006: Parameter 'stream' implicitly has an 'any' type.

130       async function readStream(stream) {
                                    ~~~~~~

Found 3 errors in the same file, starting at: src/hooks/useSubmit.ts:103

[animalnots]

Great idea! It's definitely smoother, but there is still some room for improvement to match the fluidity of ChatGPT.