Docs: Improve Community Standards

[nick-y-ito]

Overview

Created SECURITY.md and CODE_OF_CONDUCT.md in the docs/ directory.

Review points

Since the contents are auto-generated, there is nothing specific that requires your careful review.

Screen Captures

References

SECURITY.md

• GitHub - Adding a security policy to your repository
• I utilized the example generated by ChatGPT. I removed the versions section since Nishiki is currently supports the "web app" which will be always up to date.
• I also referenced the generated content in the following page:

CODE_OF_CONDUCT.md

• GitHub - Adding a code of conduct to your project
• I followed these pages to generate the content.

Notes

-

Assignee Checklist:

• [x] The naming convention of the PR title is correct (See the comment at the top of this template)
• [x] The base branch is correct (See: Types of Branches)
• [x] The branch name follows the Branch Naming Conventions
• [x] The correct assignees and reviewers have been designated for this PR
• [x] The coding style follows the Coding Style Guide
• [x] All the related issues are associated with this PR
• [x] All criteria in the associated issues are met (please tick the checkboxes)
• [x] My changes do not generate new warnings or errors (especially in the console)

Reviewer Checklist:

• [ ] Double-check the "Assignee Checklist"
• [ ] The code follows the generic best practices and our Coding Style Guide
• [ ] The code is well-commented and easy to understand
• [ ] The UI changes accurately reflect the provided design

[nick-y-ito]

@kanta1207 Thank you for you review :)