feat: get to displaying markdown copy

src/docs/version_002/introduction/copy.md

@@ -0,0 +1,3 @@
+# Introduction
+
+This is the copy for the introduction page.

src/docs/version_002/introduction/example.md

@@ -0,0 +1,5 @@
+{% .custom-class-name-here %}
+
+# Example
+
+This is the example for the introduction page.