Add UML diagram and classes for infrastructure V2

docs/brainstorm/UML-infrastrucuteV2.md

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+```mermaid
+classDiagram
+    setup --> websocketSetup
+    loop --> screenButtonHandler
+    screenButtonHandler --> DisplayText
+    screenButtonHandler --> sendData
+    sendData --> Server
+    setup --> loop
+    python --> Server
+    Server --> website
+
+
+namespace ESP32Questionbox {
+    class setup {
+        +int questionID
+        +char*[] Question
+        +char*[] Answer
+        +Adafruit_ST7796S_kbv tft
+        +DisplayText displayText
+        +void websocketSetup()
+    }
+
+    class loop {
+        +void screenButtonHandler()
+        +void sendData(int question, String answer)
+        +void hexdump(const void* mem, uint32_t len, uint8_t cols)
+    }
+
+    class websocketSetup {
+        +connectWifi()
+        +websocketConnect()
+    }
+
+    class screenButtonHandler {
+        -bool redButton
+        -bool greenButton
+        -bool whiteButton
+        +displayText.writeText()
+        +sendData()
+    }
+    class DisplayText {
+        +void writeText(char* text, int size, int posX, int posY, int screenTime, bool center, bool bottom)
+        -int centerText(char* text)
+        -void printWordsFull(char* text, bool bottom)
+    }
+    class sendData{
+        +webSocket.sendTXT
+    }
+}
+namespace server {
+    class python {
+        +databaseScript()
+        +websocketScript()
+        +flaskScript()
+    }
+    class Server {
+        +websocket()
+        +flask()
+        +mariaDB()
+    }
+}
+
+namespace user {
+    class website {
+        + getLiveData()
+        + getHistoricalData()
+        + showData()
+
+    }
+}
+
+```