Refactor code structure for improved readability and maintainability

diagrams/frontend/frontend1.puml

@@ -0,0 +1,42 @@
+@startuml
+
+class Project {
+  id: number
+  name: string
+  description: string
+  status: number
+  start_date: date
+}
+
+class Measurement {
+  id: number
+  project_id: number
+  order_id: number
+  timestamp: string
+  temperature: number
+  humidity: number
+}
+
+class Video {
+  id: number
+  project_id: number
+  name: string
+  measurement_ids: string
+  resolution: string
+  duration: number
+  status: number
+}
+
+class CameraController {
+  active_project_id: number
+  start_timelapse(id, frequency, nbimages): void
+  stopCamera(id): void
+  manualUpload(imageFile, projectId, timestamp, temperature, humidity): void
+}
+
+Project "1" *-- "n" Measurement : contient
+Project "1" *-- "n" Video : contient 
+Measurement "n" o-- "n" Video : utilisées dans
+CameraController -- Video : génère
+
+@enduml