feat(core): Core-Bibliotheken auf 2.0.0.0 aktualisiert und IUnique implementiert

- `IUnique`-Schnittstelle in allen Entitäten implementiert.
- Interface für DbContext erstellt und DbSet-Eigenschaften in den Konstruktoren über Repositories injiziert.

DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.css

@@ -1,5 +1,4 @@
 a.navbar-brand {
-  white-space: normal;
   text-align: center;
   word-break: break-all;
 }

DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html

@@ -2,7 +2,7 @@
   <nav class="navbar navbar-expand-lg bg-body-tertiary fs-5">
     <div class="container-fluid">
       <!-- DD Logo -->
-      <a class="light-stroke ms-5" href="https://digitaldata.works/">
+      <a class="logo" href="https://digitaldata.works/">
         <img fetchpriority="high" width="200vw"
           [src]="(isDarkTheme)?'../../assets/img/DD_white.svg':'../../assets/img/digital_data.svg'">
       </a>

DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts

@@ -15,7 +15,6 @@ import { TransferService } from '../../services/button/transfer.service';
 import { MatBadgeModule } from '@angular/material/badge';
 import { MatSlideToggleModule } from '@angular/material/slide-toggle';
 import { FormsModule } from '@angular/forms';
-
 import { MatTooltip, MatTooltipModule } from '@angular/material/tooltip';
 import { MatButtonModule } from '@angular/material/button';
 

DigitalData.UserManager.API/DigitalData.UserManager.API.csproj

@@ -35,7 +35,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="DigitalData.Core.API" Version="1.0.2.1" />
+    <PackageReference Include="DigitalData.Core.API" Version="2.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.14" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.16" />