docs: first solution landscape draft

docs/solution-landscape.md

@@ -0,0 +1,65 @@
+# Solution Landscape
+
+_A simple solution landscape, mapping features to components and their current implementation dependencies._
+
+
+```mermaid
+
+flowchart LR
+ subgraph s1[" "]
+        Postgres["Postgres"]
+        OpenWebUI["OpenWebUI"]
+        KeyCloak["KeyCloak"]
+        Mistral["Mistral"]
+        vLLM["vLLM"]
+  end
+ subgraph subGraph1["All-in-One appliance"]
+        FrontEnd["FrontEnd"]
+        BackEnd["BackEnd"]
+  end
+ subgraph application["application"]
+        subGraph1
+        Database["Database"]
+        LLM_API["Inference<br>Engine"]
+  end
+ subgraph infrastructure["infrastructure"]
+        IdM["Identity<br>Management"]
+        LLM["Large Language Model"]
+  end
+ subgraph s3["Core features"]
+        Chat["Simple AI Conversations"]
+        DocChat["Basic document upload<br> and conversation"]
+        History["Conversation History & Management"]
+        Login["Login and simple roles"]
+  end
+
+  subgraph feat["possible add-on features"]
+    A("Avanceret modulære kontektst udviddelser")
+    B("Forbedret dokumenthåndtering")
+  end
+
+    Database --> Postgres
+    IdM --> KeyCloak
+    DocChat --> n1["Frames Circle"]
+    History --> n1
+    Chat --> n1
+    n1 --> subGraph1
+    subGraph1 --> OpenWebUI
+    Login --> IdM
+    LLM --> Mistral
+    BackEnd -.- FrontEnd
+    LLM_API --> vLLM
+
+    FrontEnd@{ shape: display}
+    BackEnd@{ shape: procs}
+    Database@{ shape: cyl}
+    LLM_API@{ shape: h-cyl}
+    n1@{ shape: fr-circ}
+    style Postgres stroke-width:1px,stroke-dasharray: 0,stroke:none,fill:transparent
+    style OpenWebUI stroke-width:1px,stroke-dasharray: 0,stroke:none,fill:transparent
+    style KeyCloak stroke-width:1px,stroke-dasharray: 0,stroke:none,fill:transparent
+    style Mistral stroke-width:1px,stroke-dasharray: 0,stroke:none,fill:transparent
+    style vLLM stroke:none,fill:transparent
+    style s1 stroke:none
+```
+