Update docs

Author: Jamie-Chang

docs/index.html

@@ -5,7 +5,7 @@
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 <title>better_functools API documentation</title>
-<meta name="description" content="More functools improves functional programming ergonomics in Python …">
+<meta name="description" content="Better functools improves functional programming ergonomics in Python …">
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@@ -36,7 +36,11 @@
 <h1 class="title">Package <code>better_functools</code></h1>
 </header>
 <section id="section-intro">
-<p>More functools improves functional programming ergonomics in Python</p>
+<p>Better functools improves functional programming ergonomics in Python</p>
+<h2 id="installation">Installation</h2>
+<pre><code>$ pip install better-functools
+</code></pre>
+<h2 id="background">Background</h2>
 <p>The library introduces 2 different operators for use with functions:
 - <code>|</code> which we'll call "pipe"
 - <code>@</code> which we'll call "apply"</p>
@@ -118,9 +122,13 @@ <h2 class="section-title" id="header-submodules">Sub-modules</h2>
 <nav id="sidebar">
 <div class="toc">
 <ul>
+<li><a href="#installation">Installation</a></li>
+<li><a href="#background">Background</a><ul>
 <li><a href="#pipe">pipe</a></li>
 <li><a href="#apply">apply</a></li>
 <li><a href="#putting-and-together">Putting @ and | together</a></li>
+</ul>
+</li>
 <li><a href="#general-tips">General Tips</a><ul>
 <li><a href="#type-checking">Type Checking</a></li>
 <li><a href="#functoolspartial">functools.partial</a></li>