fix redirects

Author: gildesmarais

404.html

@@ -6,6 +6,39 @@ import starlight from "@astrojs/starlight";
 export default defineConfig({
   site: "https://html2rss.github.io",
   base: "/",
+  redirects: {
+    // Root pages
+    "/about/": "/about",
+    "/configs/": "/configs",
+    "/html2rss-configs/": "/html2rss-configs",
+
+    // Get Involved pages
+    "/get-involved/contributing/": "/get-involved/contributing",
+    "/get-involved/discussions/": "/get-involved/discussions",
+    "/get-involved/issues-and-features/": "/get-involved/issues-and-features",
+    "/get-involved/sponsoring/": "/get-involved/sponsoring",
+
+    // Ruby Gem How-To pages
+    "/ruby-gem/how-to/advanced-content-extraction/": "/ruby-gem/how-to/advanced-content-extraction",
+    "/ruby-gem/how-to/custom-http-requests/": "/ruby-gem/how-to/custom-http-requests",
+    "/ruby-gem/how-to/dynamic-parameters/": "/ruby-gem/how-to/dynamic-parameters",
+    "/ruby-gem/how-to/handling-dynamic-content/": "/ruby-gem/how-to/handling-dynamic-content",
+    "/ruby-gem/how-to/managing-feed-configs/": "/ruby-gem/how-to/managing-feed-configs",
+    "/ruby-gem/how-to/scraping-json/": "/ruby-gem/how-to/scraping-json",
+    "/ruby-gem/how-to/styling-rss-feed/": "/ruby-gem/how-to/styling-rss-feed",
+
+    // Ruby Gem Reference pages
+    "/ruby-gem/reference/auto-source/": "/ruby-gem/reference/auto-source",
+    "/ruby-gem/reference/channel/": "/ruby-gem/reference/channel",
+    "/ruby-gem/reference/cli-reference/": "/ruby-gem/reference/cli-reference",
+    "/ruby-gem/reference/headers/": "/ruby-gem/reference/headers",
+    "/ruby-gem/reference/strategy/": "/ruby-gem/reference/strategy",
+    "/ruby-gem/reference/stylesheets/": "/ruby-gem/reference/stylesheets",
+
+    // Web Application pages
+    "/web-application/reference/versioning-and-releases/":
+      "/web-application/reference/versioning-and-releases",
+  },
   integrations: [
     starlight({
       title: "html2rss",