Update UI based on backend changes

Author: mackmarton

grade-management-new/GradeManagement.Client/Components/ExerciseDataGrid.razor

@@ -5,6 +5,8 @@
         <PropertyColumn Property="x => x.Id" Title="Id" Editable="false"/>
         <PropertyColumn Property="x => x.Name" Title="Name"/>
         <PropertyColumn Property="x => x.GithubPrefix" Title="Github Prefix"/>
+        <PropertyColumn Property="x => x.ClassroomUrl" Title="Github Classroom URL"/>
+        <PropertyColumn Property="x => x.MoodleScoreNamePrefix" Title="Moodle Score Name Prefix"/>
         <PropertyColumn Property="x => x.DueDate" Title="Due Date"/>
         <PropertyColumn Property="x => JoinScoreTypes(x)" Title="Score Types"/>
         <DataGridActions TItem="ExerciseResponse" OnEditItem="@StartEditing" OnDeleteItem="@DeleteItem"/>

grade-management-new/GradeManagement.Client/Components/NewDialogs/NewExerciseDialog.razor

@@ -5,7 +5,9 @@
     <DialogContent>
         <MudForm @ref="form" Model="@value" @bind-IsValid="@success" @bind-Errors="@errors">
             <MudTextField T="string" Label="Name" For="@(() => value.Name)" @bind-Value="value.Name" Required="true"></MudTextField>
-            <MudTextField T="string" Label="Github Prefix" For="@(() => value.GithubPrefix)" @bind-Value="value.GithubPrefix" Required="true"></MudTextField>
+            <MudTextField T="string" Label="GitHub Prefix" For="@(() => value.GithubPrefix)" @bind-Value="value.GithubPrefix" Required="true"></MudTextField>
+            <MudTextField T="string" Label="GitHub Classroom URL" For="@(() => value.ClassroomUrl)" @bind-Value="value.ClassroomUrl" Required="true"></MudTextField>
+            <MudTextField T="string" Label="Moodle score name prefix" For="@(() => value.MoodleScoreNamePrefix)" @bind-Value="value.MoodleScoreNamePrefix" Required="true"></MudTextField>
             @* <MudTextField T="string" Label="Github Prefix" For="@(() => value.DueDate)" @bind-Value="value.DueDate" Required="true"></MudTextField> *@
             @* <MudTextField T="string" Label="Github Prefix" For="@(() => value.ScoreTypes)" @bind-Value="value.ScoreTypes" Required="true"></MudTextField> *@
         </MudForm>