docs: Add mkdocs support to render static documentation site on GitHub (#3070)

* docs: Add `mkdocs` support to render static documentation site on GitHub

* fix: Correct mis-spelled file name

docs/.pages

@@ -0,0 +1,3 @@
+nav:
+  - Overview: index.md
+  - Local Develpment: local.md

docs/index.md

@@ -0,0 +1,3 @@
+# Terraform AWS EKS module
+
+Moar content coming soon!

docs/local.md

@@ -0,0 +1,20 @@
+# Local Development
+
+## Documentation Site
+
+In order to run the documentation site locally, you will need to have the following installed locally:
+
+- [Python 3.x](https://www.python.org/downloads/)
+- [mkdocs](https://www.mkdocs.org/user-guide/installation/)
+- The following pip packages for mkdocs (i.e. - `pip install ...`)
+    - `mkdocs-material`
+    - `mkdocs-include-markdown-plugin`
+    - `mkdocs-awesome-pages-plugin`
+
+To run the documentation site locally, run the following command from the root of the repository:
+
+```bash
+mkdocs serve
+```
+
+Opening the documentation at the link posted in the terminal output (i.e. - [http://127.0.0.1:8000/terraform-aws-eks/](http://127.0.0.1:8000/terraform-aws-eks/))