Add recognition for non-OpenCollective sponsors and services

- Add new "Supported by" section to README.md acknowledging sponsors:
  - Wallaby.js (JavaScript testing tool with real-time code coverage)
  - Sauce Labs (Cross-browser testing platform)
  - JetBrains (WebStorm IDE licenses)
- Add infrastructure services section acknowledging:
  - Travis CI (Continuous integration and deployment)
  - AppVeyor (Continuous integration for Windows)
  - Coveralls (Test coverage history and statistics)
  - Netlify (Static site hosting and deployment)
- Update website supporters include with matching content
- Use shield.io badges for consistent styling with existing project badges

Fixes #3627

Author: Raman Srivastava

README.md

@@ -50,6 +50,29 @@ Also, your company's logo will show [on GitHub](https://github.com/mochajs/mocha
 [![MochaJS Sponsor](https://opencollective.com/mochajs/tiers/sponsors/2/avatar)](https://opencollective.com/mochajs/tiers/sponsors/2/website)
 [![MochaJS Sponsor](https://opencollective.com/mochajs/tiers/sponsors/3/avatar)](https://opencollective.com/mochajs/tiers/sponsors/3/website)
 
+### Supported by
+
+Mocha is also supported by these awesome companies and services:
+
+<div align="center">
+
+<a href="https://wallabyjs.com/"><img src="https://img.shields.io/badge/wallaby.js-configured-green.svg" alt="Wallaby.js" height="20"></a>
+<a href="https://saucelabs.com/"><img src="https://img.shields.io/badge/tested_on-saucelabs-FaD817.svg" alt="Sauce Labs" height="20"></a>
+<a href="https://www.jetbrains.com/"><img src="https://img.shields.io/badge/jetbrains-tools-ff69b4.svg" alt="JetBrains" height="20"></a>
+
+</div>
+
+**Development Tools & Licenses:**
+- [Wallaby.js](https://wallabyjs.com/) - JavaScript testing tool with real-time code coverage
+- [Sauce Labs](https://saucelabs.com/) - Cross-browser testing platform  
+- [JetBrains](https://www.jetbrains.com/) - WebStorm IDE licenses
+
+**Infrastructure & Services:**
+- [Travis CI](https://www.travis-ci.com/) - Continuous integration and deployment
+- [AppVeyor](https://www.appveyor.com/) - Continuous integration for Windows
+- [Coveralls](https://coveralls.io/) - Test coverage history and statistics
+- [Netlify](https://www.netlify.com/) - Static site hosting and deployment
+
 ## Development
 
 You might want to know that:

docs/_includes/supporters.md

@@ -16,6 +16,33 @@ Use Mocha at Work? Ask your manager or marketing team if they'd help [support](h
 {%- endfor -%}
 </ul>
 
+## Supported by
+
+Mocha is also supported by these awesome companies and services:
+
+<div class="supporter-logos" style="text-align: center; margin: 2rem 0;">
+  <a href="https://wallabyjs.com/" title="Wallaby.js - JavaScript testing tool with real-time code coverage" target="_blank" rel="noopener">
+    <img src="https://img.shields.io/badge/wallaby.js-configured-green.svg" alt="Wallaby.js" style="margin: 0.5rem; height: 20px;">
+  </a>
+  <a href="https://saucelabs.com/" title="Sauce Labs - Cross-browser testing platform" target="_blank" rel="noopener">
+    <img src="https://img.shields.io/badge/tested_on-saucelabs-FaD817.svg" alt="Sauce Labs" style="margin: 0.5rem; height: 20px;">
+  </a>
+  <a href="https://www.jetbrains.com/" title="JetBrains - WebStorm IDE licenses" target="_blank" rel="noopener">
+    <img src="https://img.shields.io/badge/jetbrains-tools-ff69b4.svg" alt="JetBrains" style="margin: 0.5rem; height: 20px;">
+  </a>
+</div>
+
+**Development Tools & Licenses:**
+- [Wallaby.js](https://wallabyjs.com/) - JavaScript testing tool with real-time code coverage
+- [Sauce Labs](https://saucelabs.com/) - Cross-browser testing platform  
+- [JetBrains](https://www.jetbrains.com/) - WebStorm IDE licenses
+
+**Infrastructure & Services:**
+- [Travis CI](https://www.travis-ci.com/) - Continuous integration and deployment
+- [AppVeyor](https://www.appveyor.com/) - Continuous integration for Windows
+- [Coveralls](https://coveralls.io/) - Test coverage history and statistics
+- [Netlify](https://www.netlify.com/) - Static site hosting and deployment
+
 ## Backers
 
 Find Mocha helpful? Become a [backer](https://opencollective.com/mochajs#support) and support Mocha with a monthly donation.
@@ -33,3 +60,30 @@ Find Mocha helpful? Become a [backer](https://opencollective.com/mochajs#support
   </li>
 {%- endfor -%}
 </ul>
+
+## Supported by
+
+Mocha is also supported by these awesome companies and services:
+
+<div class="supporter-logos" style="text-align: center; margin: 2rem 0;">
+  <a href="https://wallabyjs.com/" title="Wallaby.js - JavaScript testing tool with real-time code coverage" target="_blank" rel="noopener">
+    <img src="https://img.shields.io/badge/wallaby.js-configured-green.svg" alt="Wallaby.js" style="margin: 0.5rem; height: 20px;">
+  </a>
+  <a href="https://saucelabs.com/" title="Sauce Labs - Cross-browser testing platform" target="_blank" rel="noopener">
+    <img src="https://img.shields.io/badge/tested_on-saucelabs-FaD817.svg" alt="Sauce Labs" style="margin: 0.5rem; height: 20px;">
+  </a>
+  <a href="https://www.jetbrains.com/" title="JetBrains - WebStorm IDE licenses" target="_blank" rel="noopener">
+    <img src="https://img.shields.io/badge/jetbrains-tools-ff69b4.svg" alt="JetBrains" style="margin: 0.5rem; height: 20px;">
+  </a>
+</div>
+
+**Development Tools & Licenses:**
+- [Wallaby.js](https://wallabyjs.com/) - JavaScript testing tool with real-time code coverage
+- [Sauce Labs](https://saucelabs.com/) - Cross-browser testing platform  
+- [JetBrains](https://www.jetbrains.com/) - WebStorm IDE licenses
+
+**Infrastructure & Services:**
+- [Travis CI](https://www.travis-ci.com/) - Continuous integration and deployment
+- [AppVeyor](https://www.appveyor.com/) - Continuous integration for Windows
+- [Coveralls](https://coveralls.io/) - Test coverage history and statistics
+- [Netlify](https://www.netlify.com/) - Static site hosting and deployment