Update README.md files using readmes script

crates/arti-client/README.md

@@ -85,6 +85,7 @@ those traits if the `tokio` crate feature is enabled.
 ### Example: making connections over Tor
 
 ```rust
+#
 // Initiate a connection over Tor to example.com, port 80.
 let mut stream = tor_client.connect(("example.com", 80)).await?;
 
@@ -104,6 +105,7 @@ let mut buf = Vec::new();
 stream.read_to_end(&mut buf).await?;
 
 println!("{}", String::from_utf8_lossy(&buf));
+#
 ```
 
 ### More advanced usage

crates/arti/README.md

 # arti
 
-A minimal client for connecting to the tor network
+A minimal command line program for connecting to the tor network
+
+(If you want a more general Tor client library interface, use [`arti_client`].)
 
 This crate is the primary command-line interface for
 [Arti](https://gitlab.torproject.org/tpo/core/arti/), a project to
@@ -75,4 +77,10 @@ See the [README
 file](https://gitlab.torproject.org/tpo/core/arti/-/blob/main/README.md)
 for a more complete list of missing features.
 
+## Library for building command-line client
+
+This library crate contains code useful for making
+a command line program similar to `arti`.
+The API should not be considered stable.
+
 License: MIT OR Apache-2.0

crates/tor-basic-utils/README.md

+# tor-basic-utils
+
 `tor-basic-utils`: Utilities (low-level) for Tor
 
 Miscellaneous utilities for `tor-*` and `arti-*`.
@@ -8,3 +10,5 @@ So it contains only utilities which have no `tor-*` (or `arti-*`) dependencies.
 There is no particular theme.
 More substantial sets of functionality with particular themes
 are to be found in other `tor-*` crates.
+
+License: MIT OR Apache-2.0