Update infrasturcture.md to make mermaid work

docs/brainstorm/infrasturcture.md

@@ -25,58 +25,59 @@ At the lowest level of our system we are showing how the software is designed. T
 ``` mermaid
 classDiagram
 
-Node --> Raspberry pi : Websocket
+    Node --> Raspberry pi : Websocket
-Raspberry pi --> Website : getData
+    Raspberry pi --> Website : getData
-Raspberry pi <--> EnqueteNode : Websocket
+    Raspberry pi <--> EnqueteNode : Websocket
 
-namespace Server {
+    namespace Server {
-    class Raspberry pi {
+        class Raspberry pi {
-        +MariaDB
+            +MariaDB
-        +Apache2
+            +Apache2
-        +Python
+            +Python
-        Database()
+            Database()
-        Webserver()
+            Webserver()
-        Websocket()
+            Websocket()
-
-    }
-    class Node {
-        +Co2
-        +Temperature
-        +Humidity
-        +Tfok
-        +Sound
-        collectData()
-
-    }
-}
-
-namespace User {
-    class Website {
-        +Co2
-        +Temperature
-        +Humidity
-        +Tfok
-        +Sound
-        +Graph
-        +Map
-        +Settings
-        GetData()
-    }
-    class EnqueteNode {
-        +Co2
-        +Temperature
-        +Humidity
-        +Tfok
-        +Sound
-        +Graph
-        +Map
-        +QuestionResponse
-        EnqueteDisplay()
-        EnqueteButtons()
-        GetData()
 
+        }
+        class Node {
+            +Co2
+            +Temperature
+            +Humidity
+            +Tfok
+            +Sound
+            collectData()
 
+        }
     }
 
-}
+    namespace User {
+        class Website {
+            +Co2
+            +Temperature
+            +Humidity
+            +Tfok
+            +Sound
+            +Graph
+            +Map
+            +Settings
+            GetData()
+        }
+        
+        class EnqueteNode {
+            +Co2
+            +Temperature
+            +Humidity
+            +Tfok
+            +Sound
+            +Graph
+            +Map
+            +QuestionResponse
+            EnqueteDisplay()
+            EnqueteButtons()
+            GetData()
+
+
+        }
+
+    }
 ```