Started infrastrcuture UML

docs/brainstorm/UML infrastructure.md

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+# UML
+
+
+## Infrastructure
+``` mermaid
+classDiagram
+
+Node --> Raspberry pi : postData
+
+
+namespace Server {
+    class Raspberry pi {
+        Database()
+        Webserver()
+        
+
+    }
+    class Node {
+        +Co2
+        +Temperature
+        +Humidity
+        +Tfok
+        +Sound
+        collectData()
+    }
+}
+```
+