docs(cli): 📝 /stylize documentation

lib/cli/stylize/README.md

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+
+# Installation
+
+This crate is for internal use. It's only published privately. 
+
+```bash
+cargo add lool --registry=lugit
+```
+
+# Usage
+
+## Styling-Instructions API
+
+This library provides a set of functions to colorize and stylize console outputs. The "low-level" API works by parsing a string with special instructions to apply styles to the text.
+
+```rs
+use lool::cli::stylize::stylize;
+
+fn main() {
+    let text = "Hello, World!";
+    let styled_text = stylize(text, "blue on red+bold|underline");
+    println!("{}", styled_text);
+}
+```
+
+The above code will print "Hello, World!" with the following styles:
+
+- Foreground color: **blue**
+- Background color: **red**
+- Attributes: **bold** and **underline**
+
+### Instructions
+
+The instructions are a string with the following format:
+
+```plaintext
+<fg-color> on <bg-color>+<attr1>|<attr2>|<attr...>
+```
+
+All instructions are optional. Which means that the following are all valid instructions:
+
+- `red`
+- `on green`
+- `+bold`
+- `red+bold`
+- `on green+bold`
+- `on green+bold|underline`
+
+### Colors
+It accepts all standard ANSI colors:
+
+- black
+- red
+- green
+- yellow
+- blue
+- magenta
+- cyan
+- white
+- bright-black
+- bright-red
+- bright-green
+- bright-yellow
+- bright-blue
+- bright-magenta
+- bright-cyan
+- bright-white
+
+It also supports TrueColor by providing a hex code:
+
+e.g.
+
+```plaintext
+#ff0000 on #00ff00
+```
+
+Which means, basically, red on green.
+
+### Attributes
+
+The following attributes are supported:
+
+- bold
+- dim
+- italic
+- underline
+- blink
+- reverse
+- hidden
+- strikethrough
+
+Attributes can be combined with the `|` character.
+
+## High-Level API
+
+The library also provides an abstraction over the low-level API. The high-level API provides a set of functions to colorize and stylize console outputs.
+
+It builds on top of `str` and `String` types, providing a set of methods to colorize and stylize text.
+
+```rs
+// import the Stylish trait
+use lool::cli::stylize::{Stylize};
+
+fn main() {
+    let styled_text = "Hello, World!".blue().on_red().bold().underline();
+    println!("{}", styled_text);
+}
+
+```
+
+The above code will print "Hello, World!" with the following styles:
+
+- Foreground color: **blue**
+- Background color: **red**
+- Attributes: **bold** and **underline**