add overview

src/SUMMARY.md

@@ -8,6 +8,15 @@
 - [Hardware](architecture/hardware.md)
 - [Software](architecture/software.md)
 
-# Sandbox
+# (Basic Usage) Sandbox
 - [Overview](sandbox/overview.md)
-- [Services](sandbox/services.md)
+- [Services](sandbox/services.md)
+    - [Getting Started](sandbox/services.md)   
+    - [Environments](sandbox/services.md)   
+    - [Resources](sandbox/services.md)   
+    - [Limitations](sandbox/services.md) 
+- [Use Cases](sandbox/services.md) 
+
+<!---
+ # (Advanced Usage) Sandbox
+--!>

src/architecture/hardware.md

@@ -1 +1,3 @@
-# Hardware
+# Hardware
+
+siehe praesi

src/architecture/overview.md

@@ -1 +1,3 @@
-# Architecture Overview
+# Architecture Overview
+
+mixed use->praesi

src/architecture/software.md

@@ -0,0 +1,3 @@
+# Software
+
+//container verteilte system

src/sandbox/overview.md

@@ -1,3 +1,3 @@
 # Overview Sandbox
 
-das ist ein Test!
+resources