Fix imports, tweak docs

Author: brentyi

README.md

@@ -1,7 +1,9 @@
 # viser
 
-`viser` is a library for interactive 3D visualization + Python, inspired by the
-best bits of the
+**[ [API Reference](https://brentyi.github.io/viser) ]**
+
+`viser` is a library for interactive 3D visualization + Python, inspired by
+our favorite bits of the
 [Nerfstudio viewer](https://github.com/nerfstudio-project/nerfstudio),
 [Pangolin](https://github.com/stevenlovegrove/Pangolin),
 [rviz](https://wiki.ros.org/rviz/), and

docs/source/index.md

@@ -2,8 +2,8 @@
 
 |mypy| |nbsp| |pyright| |nbsp| |typescript| |nbsp| |versions|
 
-`viser` is a library for interactive 3D visualization + Python, inspired by the
-best bits of the
+`viser` is a library for interactive 3D visualization + Python, inspired by
+our favorite bits of the
 [Nerfstudio viewer](https://github.com/nerfstudio-project/nerfstudio),
 [Pangolin](https://github.com/stevenlovegrove/Pangolin),
 [rviz](https://wiki.ros.org/rviz/), and

viser/infra/__init__.py

@@ -1,7 +1,7 @@
-"""Websocket-based communication infrastructure.
+""":mod:`viser.infra` provides WebSocket-based communication infrastructure.
 
 We implement abstractions for:
-- Launching a websocket+HTTP server on a shared port.
+- Launching a WebSocket+HTTP server on a shared port.
 - Registering callbacks for connection events and incoming messages.
 - Asynchronous message sending, both broadcasted and to individual clients.
 - Defining dataclass-based message types.

viser/infra/_messages.py

@@ -11,7 +11,7 @@
 import numpy as onp
 
 if TYPE_CHECKING:
-    from ._core import ClientId
+    from ._infra import ClientId
 else:
     ClientId = Any