Adding new docs system

docs/src/docs.md

@@ -0,0 +1,8 @@
+# Docs
+
+Timestrap's docs are built with `mkdocs`. If you have dev dependencies
+installed, `pipenv install --dev`, then you can use the following commands:
+
+- `gulp docs:serve` for testing
+- `gulp docs:build` to build the files
+- `gulp docs:publish` to publish to github