update structure and links

Author: zzstoatzz

README.md

@@ -7,8 +7,9 @@ pip install raggy
 Read the [docs](https://zzstoatzz.github.io/raggy/)
 
 ### examples
+
 - scraping the web to produce rich documents
 - putting these documents in vectorstores
 - querying the vectorstores to find documents similar to a query
 
-see this [example](https://github.com/zzstoatzz/raggy/blob/main/examples/refresh_tpuf/refresh_namespace.py) I use to refresh a chatbot that knows about `prefect`.
+see this [example](/examples/refresh_vectorstore/refresh_tpuf.py) I use to refresh a chatbot that knows about `prefect`.

docs/welcome/tutorial.md

@@ -33,5 +33,4 @@ print(await query_namespace("how do I get started with raggy?"))
 
 ## Real-world example
 
-See [this example](https://github.com/zzstoatzz/raggy/blob/main/examples/refresh_chroma/refresh_collection.py) I use to refresh a chatbot that knows about `prefect`.
-
+See [this example](/examples/refresh_vectorstore/refresh_tpuf.py) I use to refresh a chatbot that knows about `prefect`.

examples/refresh_chroma/requirements.txt

@@ -1,3 +1,9 @@
+# /// script
+# dependencies = [
+#   "raggy[chroma]",
+#   "trafilatura",
+# ]
+
 from datetime import timedelta
 from typing import Literal