Rename "developer wiki" to "SuperStack Wiki"

Author: bcb

docs/index.md

@@ -19,7 +19,7 @@
 # SuperStack
 
 Jump to:
-[GitHub](https://github.com/explodinglabs/superstack) | [Developer Wiki](https://github.com/explodinglabs/superstack/wiki)
+[GitHub](https://github.com/explodinglabs/superstack) | [SuperStack Wiki](https://github.com/explodinglabs/superstack/wiki)
 
 _SuperStack_ is a minimal, modular backend powered by Docker — perfect for
 indie developers, SaaS builders, and teams who want full control without the