Added IDatabase interface and refactored to use it to handle database type - updated Installer to dynamically add databases to selector

Oqtane.Shared/Interfaces/IDatabase.cs

@@ -0,0 +1,13 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace Oqtane.Interfaces
+{
+    public interface IDatabase
+    {
+        public string FriendlyName { get; }
+
+        public string Name { get; }
+
+        public DbContextOptionsBuilder UseDatabase(DbContextOptionsBuilder optionsBuilder, string connectionString);
+    }
+}

Oqtane.Shared/Models/Database.cs

@@ -0,0 +1,9 @@
+namespace Oqtane.Models
+{
+    public class Database
+    {
+        public string Name { get; set; }
+
+        public string Type { get; set; }
+    }
+}

Oqtane.Shared/Oqtane.Shared.csproj

@@ -18,6 +18,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.4" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageReference Include="System.Text.Json" Version="5.0.1" />