fix: improving links on home page

Author: Kapil Gowru

fern/products/home/pages/welcome.mdx

@@ -148,18 +148,13 @@ import { FernFooter } from "../../../components/FernFooter";
             <img src="./images/arrow-right-white.svg" alt="Arrow right" className="dark:hidden" noZoom />
             <img src="./images/arrow-right-black.svg" alt="Arrow right" className="hidden dark:block" noZoom />
           </a>
-          <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/getting-started/migrating-from-an-existing-site">
-            Import your brand language
-            <img src="./images/arrow-right-black.svg" alt="Arrow right light" className="dark:hidden" noZoom />
-            <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />
-          </a>
           <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/guides/getting-started/add-multiple-specs">
             Add multiple specs to your docs site
             <img src="./images/arrow-right-black.svg" alt="Arrow right light" className="dark:hidden" noZoom />
             <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />
           </a>
-          <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/navigation/tabs">
-            Set up tabs
+          <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/configuration/what-is-docs-yml">
+            Configure your docs site
             <img src="./images/arrow-right-black.svg" alt="Arrow right light" className="dark:hidden" noZoom />
             <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />
           </a>
@@ -173,12 +168,12 @@ import { FernFooter } from "../../../components/FernFooter";
             <img src="./images/arrow-right-black.svg" alt="Arrow right light" className="dark:hidden" noZoom />
             <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />
           </a>
-          <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/reference/frontmatter">
+          <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/configuration/frontmatter">
             Customize slug from MDX
             <img src="./images/arrow-right-black.svg" alt="Arrow right light" className="dark:hidden" noZoom />
             <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />
           </a>
-          <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/component-library/overview">
+          <a className="fern-button minimal normal w-fit gap-1 a-btn" href="/docs/component-library/default-components/overview">
             See all available components
             <img src="./images/arrow-right-black.svg" alt="Arrow right light" className="dark:hidden" noZoom />
             <img src="./images/arrow-right-white.svg" alt="Arrow right light" className="hidden dark:block" noZoom />