docs(README): move inline comments out of code blocks

Author: tony

README.md

@@ -50,11 +50,10 @@ Pre-releases (alpha / beta / rc):
 pip install --upgrade --pre libtmux
 ```
 
-With pipx:
+With pipx (installs as `libtmux@next`):
 
 ```bash
 pipx install --suffix=@next "libtmux" --pip-args "\--pre" --force
-# usage: libtmux@next [command]
 ```
 
 With uv / uvx:
@@ -72,13 +71,15 @@ pip install -e 'git+https://github.com/tmux-python/libtmux.git#egg=libtmux'
 
 Tip: libtmux is pre-1.0. Pin a range in projects to avoid surprises:
 
+requirements.txt:
+
 ```ini
-# requirements.txt
 libtmux==0.49.*
 ```
 
+pyproject.toml:
+
 ```toml
-# pyproject.toml
 libtmux = "0.49.*"
 ```
 
@@ -90,13 +91,8 @@ Create and drive a tmux session entirely from Python.
 import libtmux
 import time
 
-# Connect to the server (starts one if not running)
 server = libtmux.Server()
-
-# Use a unique name to avoid conflicts if you run this multiple times
 session_name = f"libtmux-demo-{int(time.time())}"
-
-# Create the session and the initial window
 session = server.new_session(session_name=session_name, window_name="workspace")
 
 window = session.active_window