Ajout MatForm module

Front/skydivelogs-app/src/app/new-gear/new-gear.component.ts

@@ -1,5 +1,6 @@
 import { Component, OnInit } from "@angular/core";
 import { FormControl, FormGroup, Validators } from "@angular/forms";
+import { MatFormFieldModule } from "@angular/material/form-field";
 
 import { ServiceComm } from "../../services/service-comm.service";
 import { GearService } from "../../services/gear.service";
@@ -10,7 +11,7 @@ import { TranslateModule } from "@ngx-translate/core";
   selector: "app-new-gear",
   templateUrl: "./new-gear.component.html",
   styleUrls: ["./new-gear.component.css"],
-  imports: [TranslateModule],
+  imports: [TranslateModule, MatFormFieldModule],
 })
 export class NewGearComponent implements OnInit {
   public addForm: FormGroup;