Add explicit size for logos

  To render well on mobile.

README.md

@@ -62,10 +62,10 @@ See [projects 🎯](https://github.com/CardanoSolutions/ogmios/projects).
 ## Clients / SDKs
 
 <table align="center"><thead><tr>
-<td align="center"><img src=".github/clients/typescript.png" alt="Logo:TypeScript"><br/><a href="https://ogmios.dev/typescript-client/overview"><strong>TypeScript</strong></a></td>
-<td align="center"><img src=".github/clients/go.png" alt="Logo:Go"><br/><a href="https://github.com/savaki/ogmigo/#readme"><strong>Go</strong></a></td>
-<td align="center"><img src=".github/clients/kotlin.png" alt="Logo:Kotlin"><br/><a href="https://github.com/projectNEWM/kogmios#readme"><strong>Kotlin</strong></a></td>
-<td align="center"><img src=".github/clients/java.png" alt="Logo:Java"><br/><a href="https://github.com/adabox-aio/ogmios-java-client.git#readme"><strong>Java</strong></a></td>
+<td align="center"><img height=72 width=72 src=".github/clients/typescript.png" alt="Logo:TypeScript"><br/><a href="https://ogmios.dev/typescript-client/overview"><strong>TypeScript</strong></a></td>
+<td align="center"><img height=72 width=72 src=".github/clients/go.png" alt="Logo:Go"><br/><a href="https://github.com/savaki/ogmigo/#readme"><strong>Go</strong></a></td>
+<td align="center"><img height=72 width=72 src=".github/clients/kotlin.png" alt="Logo:Kotlin"><br/><a href="https://github.com/projectNEWM/kogmios#readme"><strong>Kotlin</strong></a></td>
+<td align="center"><img height=72 width=72 src=".github/clients/java.png" alt="Logo:Java"><br/><a href="https://github.com/adabox-aio/ogmios-java-client.git#readme"><strong>Java</strong></a></td>
 </tr><thead></table> 
 
 ## Sponsors 💖