feat: create terminate_server with draft functions

[BaoNguyen09]

Describe your changes (Include screenshots if neccessary)

• all methods are updated to terminate server
• add login form and script
• use cookie to get/check for user in create_server and terminate_server script

Issue ticket number and link

Closes #13

Checklist before requesting a review

• I have performed a self-review of my code
• If it is a core feature, I have added thorough tests.
• I have commented my code, particularly in hard-to-understand areas
• New and existing unit tests pass locally with my changes