* [Feat] Optimize UI (#3)

- Disable closing `support window`
- Layout setting according to the position of the toolWindow
- Embed console view on `Result Area`
- Refactoring for Clean Code and Object-oriented Coding

* [Fix] Verification error (#5)

Fixed an error that failed verification due to carriage return characters by deleting all carriage return characters.

Signed-off-by: Hyeon-Uk <[email protected]>

- according to BOJ's public homepage, this feature is not available because Baekjun has banned scraping.

- Components in EditorPanel uses same instance, such as `JLabel` and `JBorder`
- These components are immutable objects, so by creating one and sharing it, we can save memory.
- So, I apply Flyweight pattern

Signed-off-by: Hyeon-Uk <[email protected]>

- according to Single Responsibility Principle in `Object Oriented Programming Principles`, They must have only their responsibility.

- so seperate responsibility and Use IOC&DI with interface