Retarget html2rss configs links (#964)

Author: gildesmarais

astro.config.mjs

@@ -11,7 +11,9 @@ export default defineConfig({
     "/configs": "/feed-directory/",
     "/components/html2rss-web": "/web-application/",
     "/components/html2rss": "/ruby-gem/",
-    "/components/html2rss-configs": "/html2rss-configs/",
+    "/components/html2rss-configs": "/creating-custom-feeds/",
+    "/html2rss-configs": "/creating-custom-feeds/",
+    "/html2rss-configs/": "/creating-custom-feeds/",
     "/components": "/",
   },
   build: {
@@ -305,7 +307,7 @@ export default defineConfig({
         },
         {
           label: "Write Your Own Feed Configs",
-          link: "/html2rss-configs",
+          link: "/creating-custom-feeds",
         },
         {
           label: "About",

src/content/docs/common-use-cases.mdx

@@ -102,7 +102,7 @@ Follow multiple open source projects and their updates.
 1. **Identify the websites** you want to follow
 2. **Check our [Feed Directory](/feed-directory/)** to see if feeds already exist
 3. **Try the [Web App](/web-application/getting-started)** to create feeds easily
-4. **Learn advanced techniques** with our [Config Guide](/html2rss-configs/)
+4. **Learn advanced techniques** with our [Config Guide](/creating-custom-feeds)
 
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