README.md update with sponsor logos

Author: bnasslahsen

README.md

@@ -1,9 +1,24 @@
-![Octocat](https://springdoc.org/images/springdoc-openapi.png)
+![Octocat](https://springdoc.org/img/banner-logo.svg)
 [![Build Status](http://129.159.254.115:8686/buildStatus/icon?job=springdoc-openapi-IC)](http://129.159.254.115:8686/view/springdoc-openapi/job/springdoc-openapi-IC/)
 [![Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=springdoc_springdoc-openapi&metric=alert_status)](https://sonarcloud.io/dashboard?id=springdoc_springdoc-openapi)
 [![Known Vulnerabilities](https://snyk.io/test/github/springdoc/springdoc-openapi.git/badge.svg)](https://snyk.io/test/github/springdoc/springdoc-openapi.git)
 [![Stack Exchange questions](https://img.shields.io/stackexchange/stackoverflow/t/springdoc)](https://stackoverflow.com/questions/tagged/springdoc?tab=Votes)
 
+`springdoc-openapi` is on [Open Collective](https://opencollective.com/springdoc).
+If you ❤️ this project consider becoming a [sponsor](https://github.com/sponsors/springdoc).
+
+This project is sponsored by
+
+<p style="text-align: center;">
+<a href="https://opensource.mercedes-benz.com/" target="_blank">
+    <img src="https://springdoc.org/img/mercedes-benz.png" height="10%" width="10%" />
+</a>
+&nbsp;&nbsp;
+<a href="https://www.dm-jobs.com/dmTECH/?locale=de_DE&wt_mc=.display.github.sponsoring.logo" target="_blank">
+     <img src="https://springdoc.org/img/dmTECH_Logo.jpg" height="10%" width="10%" />
+</a>
+</p>
+
 # Table of Contents
 - [Full documentation](#full-documentation)
 - [**Introduction**](#introduction)
@@ -81,7 +96,7 @@ springdoc.swagger-ui.path=/swagger-ui.html
 ### [Demo Spring Boot 2 WebFlux with Functional endpoints OpenAPI 3](http://158.101.191.70:8084/).
 ### [Demo Spring Boot 2 and Spring Hateoas with OpenAPI 3](http://158.101.191.70:8085/).
 
-![Branching](https://springdoc.org/images/pets.png)
+![Branching](https://springdoc.org/img/pets.png)
 
 ## Integration of the library in a Spring Boot 2.x.x project without the swagger-ui:
 *   Documentation will be available at the following url for json format: http://server:port/context-path/v3/api-docs
@@ -162,4 +177,4 @@ Thanks you all for your support!
 * [Spring Team](https://spring.io/team) - Thanks for their support by sharing all relevant resources around Spring projects.
 * [JetBrains](https://www.jetbrains.com/?from=springdoc-openapi) - Thanks a lot for supporting springdoc-openapi project.
 
-![JenBrains logo](https://springdoc.org/images/jetbrains.svg)
+![JenBrains logo](https://springdoc.org/img/jetbrains.svg)