Update the 'color' variable name from color to COLOR

[woorim960]

Description

Please update the color variable name from color to COLOR.
because we think color variable should updated to the static variable name. it should be updated the name to COLOR for developers so that it understandable easier.

Progress

• Update variable names in client/app/src/App.tsx
• Update variable names in client/app/src/common/style/theme.tsx
• Update variable names in client/app/src/common/instroduction/*

Reference

You can check the color variable name the following link :

create-dev-portfolio/client/app/src/App.tsx

Line 29 in 1d1b2c1

import color from "./common/style/theme";

[Capalotty]

could you please asssing to me this issue??

[woorim960]

I'm glad to see @Capalotty. Of course.
I've assigned you to the person in charge.

If you send me the PR after the development is completed, I will review it.
Thank you very much for joining us on this project 😄