add how to upgrade page

Author: mouseless0x

docs/pages/references/platform/api/upgrade.mdx

@@ -16,6 +16,12 @@ If a User Operation is not sponsored by a paymaster and the sender does not have
 
 If you already expect users to hold enough ETH for non-sponsored transactions, no changes are required on your end. You should be able to upgrade without any issues. Click [here](https://dashboard.pimlico.io/apikeys/upgrade) to upgrade.
 
+## How to upgrade?
+
+If you signed up after 17/12/2024, your API is already on the upgraded version.
+
+If you signed up before 17/12/2024, you can manually opt-in to the upgrade through the Pimlico dashboard by clicking [here](https://dashboard.pimlico.io/apikeys/upgrade).
+
 ## Estimating Without a User’s Balance
 
 If you need to estimate a User Operation for a sender without sufficient balance, you can add state overrides to the `eth_estimateUserOperationGas` method.
@@ -76,4 +82,4 @@ v0.6 and v0.7.
   ],
   "id": 1
 }
-```
+```

sidebars/references.ts

@@ -6,6 +6,10 @@ export const platformSidebar = [
 	{
 		text: "API",
 		items: [
+			{
+				text: "Upgrade",
+				link: "/references/platform/api/upgrade",
+			},
 			{
 				text: "Pagination",
 				link: "/references/platform/api/pagination",
@@ -37,10 +41,6 @@ export const platformSidebar = [
 					},
 				],
 			},
-			{
-				text: "Upgrade",
-				link: "/references/platform/api/upgrade",
-			},
 		],
 	},
 ];