docs: remove CI badge and adjust README formatting

Author: haithium

README.md

@@ -1,16 +1,13 @@
 # tty
 
 [![LuaRocks](https://img.shields.io/luarocks/v/BlueLua/tty?color=blue&style=flat-square)](https://luarocks.org/modules/BlueLua/tty)
-[![CI Status](https://img.shields.io/github/actions/workflow/status/BlueLua/tty/ci.yml?label=CI&style=flat-square)](https://github.com/BlueLua/tty/actions/workflows/ci.yml)
 ![Lua Versions](https://img.shields.io/badge/lua-5.1%20%7C%205.2%20%7C%205.3%20%7C%205.4%20%7C%205.5%20%7C%20LuaJIT-blue?style=flat-square)
 ![Platform](https://img.shields.io/badge/platform-linux%20%7C%20macos%20%7C%20windows-blue?style=flat-square)
 [![License](https://img.shields.io/badge/license-MIT-blue?style=flat-square)](https://github.com/BlueLua/tty/blob/main/LICENSE)
 
 `tty` provides lightweight, cross-platform C-backed Lua bindings for terminal
 detection and terminal size inspection.
 
-Read the [documentation](https://bluelua.github.io/tty) to get started.
-
 ## ✨ Features
 
 - **TTY Verification**: Check if a Lua file handle (like `io.stdout`,