adding plex docs

Author: yashnevatia

docs/.nojekyll

@@ -0,0 +1,10 @@
+- [Overview](overview.md)
+- [Getting Started](getting-started.md)
+- [Architecture](architecture.md)
+- [Usage Guide](usage-guide.md)
+  - [MultiNode](usage-guide.md#multinode)
+  - [Transaction Manager](usage-guide.md#transaction-manager)
+  - [Head Tracker](usage-guide.md#head-tracker)
+  - [Write Target](usage-guide.md#write-target)
+- [Contributing](contributing.md)
+- [Changelog](changelog.md)