Docs: Fixed Urls of AsyncHtmlLoader, AsyncChromiumLoader and HTML2Text links in Web scraping Docs (#16365)

Fixing links in documentation.

docs/docs/use_cases/web_scraping.ipynb

@@ -144,11 +144,11 @@
     "\n",
     "### AsyncHtmlLoader\n",
     "\n",
-    "The [AsyncHtmlLoader](docs/integrations/document_loaders/async_html) uses the `aiohttp` library to make asynchronous HTTP requests, suitable for simpler and lightweight scraping.\n",
+    "The [AsyncHtmlLoader](/docs/integrations/document_loaders/async_html) uses the `aiohttp` library to make asynchronous HTTP requests, suitable for simpler and lightweight scraping.\n",
     "\n",
     "### AsyncChromiumLoader\n",
     "\n",
-    "The [AsyncChromiumLoader](docs/integrations/document_loaders/async_chromium) uses Playwright to launch a Chromium instance, which can handle JavaScript rendering and more complex web interactions.\n",
+    "The [AsyncChromiumLoader](/docs/integrations/document_loaders/async_chromium) uses Playwright to launch a Chromium instance, which can handle JavaScript rendering and more complex web interactions.\n",
     "\n",
     "Chromium is one of the browsers supported by Playwright, a library used to control browser automation. \n",
     "\n",
@@ -178,7 +178,7 @@
     "\n",
     "### HTML2Text\n",
     "\n",
-    "[HTML2Text](docs/integrations/document_transformers/html2text) provides a straightforward conversion of HTML content into plain text (with markdown-like formatting) without any specific tag manipulation. \n",
+    "[HTML2Text](/docs/integrations/document_transformers/html2text) provides a straightforward conversion of HTML content into plain text (with markdown-like formatting) without any specific tag manipulation. \n",
     "\n",
     "It's best suited for scenarios where the goal is to extract human-readable text without needing to manipulate specific HTML elements.\n",
     "\n",