feat: add custom codespaces config

[sevilayerkan]

Description

This pull request includes a custom Codespaces setup tailored for Kampus projects. Anyone contributing to the project can now create a specialized Codespace environment using this configuration.

This codespace setup includes:

• Machine specs chosen for the project
• Required packages such as : npm, prettier, prisma, docker
• Advised extentions for VSCode
• Importing necessary files for the project

Checklist

• discord username: notdepressedeveloper
• Closes epic: monorepo with github codespaces #662
• PR must be created for an issue from issues under "In progress" column from our project board.
• A descriptive and understandable title: The PR title should clearly describe the nature and purpose of the changes. The PR title should be the first thing displayed when the PR is opened. And it should follow the semantic commit rules, and should include the app/package/service name in the title. For example, a title like "docs(@kampus-apps/pano): Add README.md" can be used.
• Related file selection: Only relevant files should be touched and no other files should be affected.
• I ran npx turbo run at the root of the repository, and build was successful.
• I installed the npm packages using npm install --save-exact <package> so my package is pinned to a specific npm version. Leave empty if no package was installed. Leave empty if no package was installed with this PR.

How were these changes tested?

Please describe the tests you did to test the changes you made. Please also specify your test configuration.

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