Chore: Add CONTRIBUTING.md guidelines and standardized templates (#279)

* chore: Improve GitHub workflows, issue template, and gitignore entries

- Add support for manual triggering of build and lint workflows.
- Improve bug report template by clarifying prompts and adding checklist and tips for better explanation of issues.
- Ignore `.md` files in `.github` and `.github/ISSUE_TEMPLATE` folders.
- Add badges for test running and coverage status in README.md.

* chore: Add standardized templates to repository

- Add pull request and feature request templates to the `.github` folder

* docs: Add CONTRIBUTING.md guidelines and update .gitignore.

- Update .gitignore to remove exclusions for browsing history files
- Add an exclusion for CONTRIBUTING.md in the Community section in .gitignore
- Create CONTRIBUTING.md with guidelines for contributors.

README.md

@@ -5,7 +5,7 @@
 
 # HackBrowserData
 
-[![Lint](https://github.com/moonD4rk/HackBrowserData/actions/workflows/lint.yml/badge.svg)](https://github.com/moonD4rk/HackBrowserData/actions/workflows/lint.yml) [![build](https://github.com/moonD4rk/HackBrowserData/actions/workflows/build.yml/badge.svg)](https://github.com/moonD4rk/HackBrowserData/actions/workflows/build.yml) [![Release](https://github.com/moonD4rk/HackBrowserData/actions/workflows/release.yml/badge.svg)](https://github.com/moonD4rk/HackBrowserData/actions/workflows/release.yml)
+[![Lint](https://github.com/moonD4rk/HackBrowserData/actions/workflows/lint.yml/badge.svg)](https://github.com/moonD4rk/HackBrowserData/actions/workflows/lint.yml) [![build](https://github.com/moonD4rk/HackBrowserData/actions/workflows/build.yml/badge.svg)](https://github.com/moonD4rk/HackBrowserData/actions/workflows/build.yml) [![Release](https://github.com/moonD4rk/HackBrowserData/actions/workflows/release.yml/badge.svg)](https://github.com/moonD4rk/HackBrowserData/actions/workflows/release.yml) [![run tests](https://github.com/moonD4rk/HackBrowserData/actions/workflows/unittest.yml/badge.svg)](https://github.com/moonD4rk/HackBrowserData/actions/workflows/unittest.yml) [![Coverage Status](https://coveralls.io/repos/github/moonD4rk/HackBrowserData/badge.svg)](https://coveralls.io/github/moonD4rk/HackBrowserData)
 
 [中文说明](https://github.com/moonD4rk/HackBrowserData/blob/master/README_ZH.md)