Update docs and code references from Worker to Workers

Standardized terminology by changing 'Cloudflare Worker' to 'Cloudflare Workers' across documentation, workflow comments, and code. Expanded deployment instructions in README to include Cloudflare Pages and EdgeOne Pages, clarified secrets setup, and improved deployment notes for self-hosting.

.github/workflows/sync.yml

@@ -83,7 +83,7 @@ jobs:
            *
            * This catch-all route handler processes all incoming requests to the Xget
            * acceleration engine. It delegates request processing to the main handleRequest
-           * function from the Worker code, maintaining full compatibility with the
+           * function from the Workers code, maintaining full compatibility with the
            * existing implementation.
            *
            * The [[path]] syntax in the filename creates a catch-all route that matches
@@ -101,7 +101,6 @@ jobs:
            *
            * @example
            * // This is called automatically by Pages
-           * // User requests: https://xget.pages.dev/npm/lodash
            * // Runtime invokes: onRequest(context)
            * // Returns: Response with package data
            *
@@ -165,7 +164,7 @@ jobs:
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git checkout -b pages
           git add .
-          git commit -m "Convert Worker to Pages
+          git commit -m "Convert Workers to Pages
 
           Auto-converted from main branch commit ${{ github.sha }}