Implemented template crud, db entities, import/export, ptero and pelican import

MoonlightServers.Shared/Admin/Templates/DetailedTemplateDto.cs

@@ -0,0 +1,17 @@
+namespace MoonlightServers.Shared.Admin.Templates;
+
+public record DetailedTemplateDto(
+    int Id,
+    string Name,
+    string Description,
+    string Author,
+    string Version,
+    string? UpdateUrl,
+    string? DonateUrl,
+    FilesConfigDto FilesConfig,
+    LifecycleConfigDto LifecycleConfig,
+    InstallationConfigDto InstallationConfig,
+    MiscellaneousConfigDto MiscellaneousConfig,
+    bool AllowUserDockerImageChange,
+    int? DefaultDockerImageId
+);