fix(readme): replace Silver/Bronze sponsors with Massive as first Gold partner (#2052)

- Add Massive (joinmassive.com) as first entry in Enterprise Sponsors table
- Remove Thordata, NstProxy, Scrapeless, and Capsolver rows
- Add locally hosted light/dark logo variants for Massive
- Normalise all sponsor logo heights to 40px for visual consistency
- Remove stray KidoCode text link from Kidocode row

Author: bibi-creator

README.md

@@ -1217,13 +1217,10 @@ Our enterprise sponsors and technology partners help scale Crawl4AI to power pro
 
 | Company | About | Sponsorship Tier |
 |------|------|----------------------------|
-| <a href="https://www.thordata.com/?ls=github&lk=crawl4ai" target="_blank"><picture><source width="120" media="(prefers-color-scheme: dark)" srcset="docs/assets/sponsors/thor_data_light.svg"><source width="120" media="(prefers-color-scheme: light)" srcset="docs/assets/sponsors/thor_data.svg"><img alt="Thor Data" src="docs/assets/sponsors/thor_data.svg" width="120"/></picture></a>  | Leveraging Thordata ensures seamless compatibility with any AI/ML workflows and data infrastructure, massively accessing web data with 99.9% uptime, backed by one-on-one customer support. | 🥈 Silver |
-| <a href="https://app.nstproxy.com/register?i=ecOqW9" target="_blank"><picture><source width="250" media="(prefers-color-scheme: dark)" srcset="docs/assets/sponsors/nst-light.svg"><source width="250" media="(prefers-color-scheme: light)" srcset="docs/assets/sponsors/nst-light.svg"><img alt="nstproxy" src="docs/assets/sponsors/nst-light.svg"></picture></a>  | NstProxy is a trusted proxy provider with over 110M+ real residential IPs, city-level targeting, 99.99% uptime, and low pricing at $0.1/GB, it delivers unmatched stability, scale, and cost-efficiency. | 🥈 Silver |
-| <a href="https://app.scrapeless.com/passport/register?utm_source=official&utm_term=crawl4ai" target="_blank"><picture><source width="250" media="(prefers-color-scheme: dark)" srcset="https://gist.githubusercontent.com/aravindkarnam/0d275b942705604263e5c32d2db27bc1/raw/Scrapeless-light-logo.svg"><source width="250" media="(prefers-color-scheme: light)" srcset="https://gist.githubusercontent.com/aravindkarnam/22d0525cc0f3021bf19ebf6e11a69ccd/raw/Scrapeless-dark-logo.svg"><img alt="Scrapeless" src="https://gist.githubusercontent.com/aravindkarnam/22d0525cc0f3021bf19ebf6e11a69ccd/raw/Scrapeless-dark-logo.svg"></picture></a>  | Scrapeless provides production-grade infrastructure for Crawling, Automation, and AI Agents, offering Scraping Browser, 4 Proxy Types and Universal Scraping API. | 🥈 Silver |
-| <a href="https://dashboard.capsolver.com/passport/register?inviteCode=ESVSECTX5Q23" target="_blank"><picture><source width="120" media="(prefers-color-scheme: dark)" srcset="https://docs.crawl4ai.com/uploads/sponsors/20251013045338_72a71fa4ee4d2f40.png"><source width="120" media="(prefers-color-scheme: light)" srcset="https://www.capsolver.com/assets/images/logo-text.png"><img alt="Capsolver" src="https://www.capsolver.com/assets/images/logo-text.png"></picture></a> | AI-powered Captcha solving service. Supports all major Captcha types, including reCAPTCHA, Cloudflare, and more | 🥉 Bronze |
-| <a href="https://kipo.ai" target="_blank"><img src="https://docs.crawl4ai.com/uploads/sponsors/20251013045751_2d54f57f117c651e.png" alt="DataSync" width="120"/></a> | Helps engineers and buyers find, compare, and source electronic & industrial parts in seconds, with specs, pricing, lead times & alternatives.| 🥇 Gold |
-| <a href="https://www.kidocode.com/" target="_blank"><img src="https://docs.crawl4ai.com/uploads/sponsors/20251013045045_bb8dace3f0440d65.svg" alt="Kidocode" width="120"/><p align="center">KidoCode</p></a> | Kidocode is a hybrid technology and entrepreneurship school for kids aged 5–18, offering both online and on-campus education. | 🥇 Gold |
-| <a href="https://www.alephnull.sg/" target="_blank"><picture><source width="120" media="(prefers-color-scheme: dark)" srcset="docs/assets/sponsors/aleph_null_light.svg"><source width="120" media="(prefers-color-scheme: light)" srcset="docs/assets/sponsors/aleph_null.svg"><img alt="Aleph null" src="docs/assets/sponsors/aleph_null.svg" width="120"/></picture></a> | Singapore-based  Aleph Null is Asia’s leading edtech hub, dedicated to student-centric, AI-driven education—empowering learners with the tools to thrive in a fast-changing world. | 🥇 Gold |
+| <a href="https://www.joinmassive.com/" target="_blank"><picture><source media="(prefers-color-scheme: dark)" srcset="docs/assets/sponsors/massive_light.svg"><source media="(prefers-color-scheme: light)" srcset="docs/assets/sponsors/massive.svg"><img alt="Massive" src="docs/assets/sponsors/massive.svg" height="40"/></picture></a> | Massive is a web access API backed by millions of volunteer devices in 195+ countries. AI agents, models, and data pipelines use it to reach any site on the internet — reliably, in real time, and at scale. | 🥇 Gold |
+| <a href="https://kipo.ai" target="_blank"><img src="https://docs.crawl4ai.com/uploads/sponsors/20251013045751_2d54f57f117c651e.png" alt="DataSync" height="40"/></a> | Helps engineers and buyers find, compare, and source electronic & industrial parts in seconds, with specs, pricing, lead times & alternatives.| 🥇 Gold |
+| <a href="https://www.kidocode.com/" target="_blank"><img src="https://docs.crawl4ai.com/uploads/sponsors/20251013045045_bb8dace3f0440d65.svg" alt="Kidocode" height="40"/></a> | Kidocode is a hybrid technology and entrepreneurship school for kids aged 5–18, offering both online and on-campus education. | 🥇 Gold |
+| <a href="https://www.alephnull.sg/" target="_blank"><picture><source media="(prefers-color-scheme: dark)" srcset="docs/assets/sponsors/aleph_null_light.svg"><source media="(prefers-color-scheme: light)" srcset="docs/assets/sponsors/aleph_null.svg"><img alt="Aleph null" src="docs/assets/sponsors/aleph_null.svg" height="40"/></picture></a> | Singapore-based  Aleph Null is Asia’s leading edtech hub, dedicated to student-centric, AI-driven education—empowering learners with the tools to thrive in a fast-changing world. | 🥇 Gold |