Make site-specific links work in docs on both the site and GitHub

docs/get-started/authentication.md

@@ -6,7 +6,7 @@ using the CLI.
 
 > **Note:** Looking for a high-level comparison of all available subscriptions?
 > To compare features and find the right quota for your needs, see our
-> [Plans page](/plans/).
+> [Plans page](https://geminicli.com/plans/).
 
 For most users, we recommend starting Gemini CLI and logging in with your
 personal Google account.

docs/get-started/gemini-3.md

@@ -41,7 +41,7 @@ limit resets and Gemini 3 Pro can be used again.
 
 > **Note:** Looking to upgrade for higher limits? To compare subscription
 > options and find the right quota for your needs, see our
-> [Plans page](/plans/).
+> [Plans page](https://geminicli.com/plans/).
 
 Similarly, when you reach your daily usage limit for Gemini 2.5 Pro, you’ll see
 a message prompting fallback to Gemini 2.5 Flash.

docs/resources/quota-and-pricing.md

@@ -5,7 +5,7 @@ use cases. For enterprise or professional usage, or if you need increased quota,
 several options are available depending on your authentication account type.
 
 For a high-level comparison of available subscriptions and to select the right
-quota for your needs, see the [Plans page](/plans/).
+quota for your needs, see the [Plans page](https://geminicli.com/plans/).
 
 ## Overview