docs: screenshots

Signed-off-by: David Dal Busco <[email protected]>

Author: peterpeterparker

docs/guides/local-development.mdx

@@ -29,7 +29,7 @@ This enables:
 - A smooth dev loop, from prototype to deployment
 - A unique way to build, debug, and validate smart contract logic and frontend behavior — all in one place
 
-![A screenshot of the DEV Console UI login screen](../img/dev-console/login.webp)
+![A screenshot of the DEV Console UI login screen](../img/dev-console/login.png)
 
 ---
 
@@ -218,8 +218,7 @@ The admin server running on port `5999` provides a variety of internal managemen
 
 If you're using the full environment, the Console UI includes a "Get Cycles" button in the wallet. It's a quick way to get Cycles out of the box.
 
-**TODO Screenshot**
-![A screenshot of the wallet with the Get ICP call to action of Console UI in dev mode](../img/dev-console/wallet.webp)
+![A screenshot of the wallet with the Get Cycles call to action of Console UI in dev mode](../img/dev-console/wallet.png)
 
 You might want to transfer some Cycles from the ledger to a specified principal, which can be particularly useful when you're just getting started developing your app and no users currently own Cycles. This can be achieved by querying: