fix(pgw): rebase and add dates

Author: RoRoJ

network/public-gateways/reference-content/index.mdx renamed to pages/public-gateways/reference-content/index.mdx

@@ -110,7 +110,7 @@ TODO
 
 ## Deprecation and removal timeline
 
-1. [TODO-DATE] **V1 deprecation**: The Public Gateway v1 API will be deprecated. Deprecation means that the API will still function, but it is slated for removal and we do not recommended that you keep using it.
+1. [TODO-DATE] **21 February 2025 - V1 deprecation**: The Public Gateway v1 API will be deprecated. Deprecation means that the API will still function, but it is slated for removal and we do not recommended that you keep using it.
 2. [TODO-DATE] **V2 release**: The Public Gateway v2 API will be released, co-existing with v1. 
 
     <Message type="note">
@@ -126,7 +126,7 @@ TODO
 
     If your Public Gateway is already in IPAM-mode, and you only manage it via the console, you will not be affected by these changes and you do not need to take any action.
 
-4. [TODO-DATE] **V1 removal**: The Public Gateway v1 API will be removed. Any code or scripts still pointing to v1 will cease to function. We will automatically put any existing legacy Public Gateways into IPAM mode.
+4. [TODO-DATE] **2 June 2025 - V1 removal**: The Public Gateway v1 API will be removed. Any code or scripts still pointing to v1 will cease to function. We will automatically put any existing legacy Public Gateways into IPAM mode.
 
 ## FAQ