docs: add theodo as a sponsor

Author: samuelrince

README.md

@@ -71,6 +71,10 @@ See package documentation on [EcoLogits](https://ecologits.ai/)
 <img src="https://raw.githubusercontent.com/mlco2/ecologits/main/docs/assets/sponsors/avanade.png" alt="Avanade" height="100" width="250">
 </a>
 
+<a href="https://www.theodo.com/" target="_blank">
+<img src="https://raw.githubusercontent.com/mlco2/ecologits/main/docs/assets/sponsors/theodo.png" alt="Theodo" height="100" width="250">
+</a>
+
 <a href="https://www.culture.gouv.fr/" target="_blank">
 <img src="https://raw.githubusercontent.com/mlco2/ecologits/main/docs/assets/sponsors/ministere_culture.png" alt="Ministère de la Culture" height="100" width="132">
 </a>

docs/assets/sponsors/theodo.png

@@ -96,6 +96,11 @@ hide:
       <img src="assets/sponsors/avanade.png" width="200">
     </a>
   </div>
+  <div class="row">
+    <a href="https://www.theodo.com/" target="_blank">
+      <img src="assets/sponsors/theodo.png" width="200">
+    </a>
+  </div>
   <div class="row">
     <a href="https://www.culture.gouv.fr/fr" target="_blank">
       <img src="assets/sponsors/ministere_culture.png" width="200">