Revert "Remove Stream as Sponsor"

This reverts commit b31b6c8.

README.md

@@ -48,7 +48,22 @@ You can use our [contribution docs](https://docs.tuist.io/contributors/get-start
 
 The financial sustainability of the project is possible thanks to the ongoing contributions from our [GitHub Sponsors](https://github.com/sponsors/tuist) and [Open Collective Backers](https://opencollective.com/tuistapp). From them, we'd like to give a special mention to the following sponsors:
 
-### Silver sponsors: [Bitrise](https://bitrise.io?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist), [Runway](https://runway.team?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist), and [Emerge Tools](https://www.emergetools.com?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist)
+### Silver sponsors: [stream](https://getstream.io/chat/sdk/ios/?utm_source=github&utm_medium=github_repo_content_ad&utm_content=Developer&utm_campaign=Github_Nov2021_iOSChatSDK), [Bitrise](https://bitrise.io), [Runway](https://runway.team), and [Emerge Tools](https://www.emergetools.com)
+
+[Stream](https://getstream.io/chat/sdk/ios/?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_campaign=Github_Jan2022_SwiftSDK&utm_term=tuist) helps build scalable in-app chat or activity feeds in days. Product teams trust Stream to launch faster, iterate more often, and ship a better user experience.
+
+<div >
+  <a href="https://getstream.io/chat/sdk/ios/?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_campaign=Github_Jan2022_SwiftSDK&utm_term=tuist" target="_blank">
+    <picture>
+      <source 
+      srcset="assets/companies/stream-white.png" 
+      media="(prefers-color-scheme: dark)">
+      <img src="assets/companies/stream.png"/>
+    </picture>
+  </a>
+</div>
+
+<br/>
 
 [Bitrise](https://bitrise.io?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist) is a mobile DevOps platform built to adress mobile's challenges, empowering mobile teams to deliver their best work.
 
@@ -63,9 +78,7 @@ The financial sustainability of the project is possible thanks to the ongoing co
   </a>
 </div>
 
-<br/>
-
-[Runway](https://runway.team?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist) streamlines collaboration and automation for mobile app releases, from kickoff to rollout.
+[Runway](https://www.runway.team) streamlines collaboration and automation for mobile app releases, from kickoff to rollout.
 
 <div >
   <a href="https://runway.team?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist" target="_blank">
@@ -78,9 +91,7 @@ The financial sustainability of the project is possible thanks to the ongoing co
   </a>
 </div>
 
-<br/>
-
-[Emerge Tools](https://www.emergetools.com?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist) is a suite of revolutionary products designed to supercharge mobile apps and the teams that build them
+[Emerge Tools](https://www.emergetools.com) is a suite of revolutionary products designed to supercharge mobile apps and the teams that build them
 
 <div >
   <a href="https://www.emergetools.com?utm_source=Github&utm_medium=Github_Repo_Content_Ad&utm_content=Developer&utm_term=tuist" target="_blank">