docs: arch: Open Architecture: Link to system context mermaid diagram within Architecting Alice: She's Arriving When?

Related: ipvm-wg/spec#8
2022-11-14 @pdxjohnny Engineering Logs: intel#1406
2022-11-14 SCITT Meeting Notes: intel#1406

Author: pdxjohnny

docs/arch/0009-Open-Architecture.rst

@@ -63,12 +63,16 @@ Intent
 References
 **********
 
+- System Context
+
+  - https://github.com/intel/dffml/blob/alice/docs/tutorials/rolling_alice/0000_architecting_alice/0002_shes_ariving_when.md#system-context
+
 - Manifests
 
   - https://github.com/intel/dffml/blob/alice/docs/arch/0008-Manifest.md
 
 - Overlays
-
+  
   - https://intel.github.io/dffml/main/examples/dataflows.html#combining-operations
 
   - https://oca.colossi.network/guide/introduction.html#what-is-decentralised-semantics