fix: add TypeScript module declaration for contentlayer

Adds module declaration file to handle contentlayer imports in CI environment.
This complements the existing .contentlayer exclusion from tsconfig.json
by providing type definitions for the generated module.

🤖 Generated with Codebuff
Co-Authored-By: Codebuff <noreply@codebuff.com>

Author: brandonkachen

web/src/types/contentlayer.d.ts

@@ -1,5 +1,6 @@
-declare module 'contentlayer/generated' {
-  import { Doc } from './docs'
-  
-  export const allDocs: Doc[]
+// TypeScript declaration for contentlayer module
+// This prevents type errors when .contentlayer/generated doesn't exist during typecheck
+
+declare module '.contentlayer/generated' {
+  export const allDocs: any[]
 }