WIP Overhaul README

README.md

@@ -10,6 +10,27 @@ Python".
 **Supported Ruby versions:** 2.6, 2.7, 3.0, 3.1, 3.2  
 **Supported RE2 versions:** libre2.0 (< 2020-03-02), libre2.1 (2020-03-02), libre2.6 (2020-03-03), libre2.7 (2020-05-01), libre2.8 (2020-07-06), libre2.9 (2020-11-01), libre2.10 (2022-12-01), libre2.11 (2023-07-01)
 
+```ruby
+RE2('My name is (\w+)').full_match("My name is Alice")
+#=> #<RE2::MatchData "My name is Alice" 1:"Alice">
+RE2('(\d+)').partial_match("I am 42 years old")
+#=> #<RE2::MatchData "42" 1:"42">
+RE2('f(o+)') =~ "foo bar" #=> true
+```
+
+Table of Contents
+-----------------
+
+* [Installation](#installation)
+* [Documentation](#documentation)
+* [Usage](#usage)
+* [Encoding](#encoding)
+* [Features](#features)
+* [Contributions](#contributions)
+* [Contact](#contact)
+* [License](#license)
+* [Dependencies](#dependencies)
+
 Installation
 ------------
 
@@ -62,7 +83,7 @@ If you're using Bundler, you can use the
 [`force_ruby_platform`](https://bundler.io/v2.3/man/gemfile.5.html#FORCE_RUBY_PLATFORM)
 option in your Gemfile.
 
-Windows users attempting to compile [abseil] must use pkgconf 2.1.0 or
+Windows users attempting to compile [Abseil] must use pkgconf 2.1.0 or
 later, or builds will fail with [`undefined reference` errors](https://github.com/pkgconf/pkgconf/issues/322):
 
     pacman -Sy mingw64/mingw-w64-x86_64-pkgconf