Add community health files and CI workflow

[B143KC47]

Summary

• add CONTRIBUTING, SECURITY, and CODE_OF_CONDUCT documents
• add issue templates, a pull request template, and release notes config
• add Dependabot and a GitHub Actions CI workflow
• improve README and README.zh-CN with project health links and CI badge

Why

These changes make the repository look more mature, easier to contribute to, and easier to trust for first-time users evaluating this MCP server.

[Copilot]

Pull request overview

This PR adds standard community health documentation and GitHub automation (CI, Dependabot, templates) to make the repository easier to contribute to and to signal project maturity/trustworthiness.

Changes:

• Added community health docs: CONTRIBUTING, SECURITY, and Code of Conduct.
• Added GitHub project hygiene: issue/PR templates, Dependabot config, and release notes config.
• Added a GitHub Actions CI workflow and updated READMEs with health links + CI badge.

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
SECURITY.md	Adds a security policy and vulnerability reporting guidance.
CONTRIBUTING.md	Adds contributor workflow expectations and a PR checklist.
CODE_OF_CONDUCT.md	Adds conduct expectations and enforcement/reporting guidance.
README.md	Adds badges/health links and refreshes onboarding + usage docs.
README.zh-CN.md	Mirrors README improvements for Chinese readers.
.github/workflows/ci.yml	Introduces a basic CI build workflow (Node 20 + npm ci + build).
.github/dependabot.yml	Enables scheduled dependency update PRs for npm and GitHub Actions.
.github/release.yml	Adds release notes categorization and a custom release template.
.github/PULL_REQUEST_TEMPLATE.md	Adds a PR template with validation/security checklists.
.github/ISSUE_TEMPLATE/config.yml	Disables blank issues and adds contact links.
.github/ISSUE_TEMPLATE/bug_report.md	Adds a structured bug report template.
.github/ISSUE_TEMPLATE/feature_request.md	Adds a structured feature request template.

Comments suppressed due to low confidence (1)

README.md:170

• The ssh_init_config tool requires scope to be one of project or user (and project_root is required when scope=project). The parameters column here is less specific than the actual tool schema, which can lead to misconfigured client calls.

| `ssh_exec` | Execute a command on a remote host | `host`, `command`, `timeout_ms?` |
| `ssh_init_config` | Initialize SSH config file | `scope`, `project_root?`, `hosts?` |
| `ssh_get_config` | Get config for a specific host | `host` |

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[Copilot]

In GitHub's auto-generated release notes config, exclude and template are expected to be nested under the changelog: key. With the current indentation they will likely be ignored, so labels like skip-release-notes may not exclude PRs and the custom template may not apply.

[Copilot]

The ssh_init_config tool's scope parameter is constrained to project or user (and project_root is required when using project). Documenting the allowed values here would better match the actual tool schema and reduce setup confusion.

[Copilot]

This line is in English inside the Chinese README. Consider translating it (or making the surrounding section bilingual) to keep the doc language consistent.