fix: add explicit v1 version configuration

Added v1 to the versions config to fix JSON parsing errors during build.
The error was caused by missing explicit version configuration for v1.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: milldr

docusaurus.config.js

@@ -167,6 +167,10 @@ async function createConfig() {
                 label: 'Latest',
                 path: '',
               },
+              v1: {
+                label: 'v1',
+                path: 'v1',
+              },
             },
           },
           blog: {