feat: add crewai-tools library to workspace

- Migrate crewai-tools as standalone package in lib/tools
- Configure UV workspace for monorepo structure
- Move assets to repository root
- Clean up duplicate README files
- Focus pre-commit hooks on lib/crewai/src only

lib/tools/src/crewai_tools/rag/loaders/webpage_loader.py

@@ -0,0 +1,47 @@
+import re
+import requests
+from bs4 import BeautifulSoup
+
+from crewai_tools.rag.base_loader import BaseLoader, LoaderResult
+from crewai_tools.rag.source_content import SourceContent
+
+class WebPageLoader(BaseLoader):
+    def load(self, source_content: SourceContent, **kwargs) -> LoaderResult:
+        url = source_content.source
+        headers = kwargs.get("headers", {
+            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36",
+            "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
+            "Accept-Language": "en-US,en;q=0.9",
+        })
+
+        try:
+            response = requests.get(url, timeout=15, headers=headers)
+            response.encoding = response.apparent_encoding
+
+            soup = BeautifulSoup(response.text, "html.parser")
+
+            for script in soup(["script", "style"]):
+                script.decompose()
+
+            text = soup.get_text(" ")
+            text = re.sub("[ \t]+", " ", text)
+            text = re.sub("\\s+\n\\s+", "\n", text)
+            text = text.strip()
+
+            title = soup.title.string.strip() if soup.title and soup.title.string else ""
+            metadata = {
+                "url": url,
+                "title": title,
+                "status_code": response.status_code,
+                "content_type": response.headers.get("content-type", "")
+            }
+
+            return LoaderResult(
+                content=text,
+                source=url,
+                metadata=metadata,
+                doc_id=self.generate_doc_id(source_ref=url, content=text)
+            )
+
+        except Exception as e:
+            raise ValueError(f"Error loading webpage {url}: {str(e)}")