Fix pending model changes for PostgreSql

src/BaGetter.Database.MySql/readme.md

@@ -4,10 +4,19 @@ This project contains BaGetter's MySQL database provider.
 
 ## Migrations
 
+Check for pending changes with:
+```
+dotnet ef migrations has-pending-model-changes --context MySqlContext --startup-project ..\BaGetter\BaGetter.csproj
+```
+
 Add a migration with:
 
 ```
-dotnet ef migrations add MigrationName --context MySqlContext --output-dir Migrations --startup-project ..\BaGet\BaGetter.csproj
+dotnet ef migrations add MigrationName --context MySqlContext --output-dir Migrations --startup-project ..\BaGetter\BaGetter.csproj
+```
+
+Apply the migration to your database with:
 
+```
 dotnet ef database update --context MySqlContext
 ```

src/BaGetter.Database.PostgreSql/Migrations/20251104123955_ChangeDateTimeColumnForPackage.cs

@@ -0,0 +1,35 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace BaGetter.Database.PostgreSql.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChangeDateTimeColumnForPackage : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "Published",
+                table: "Packages",
+                type: "timestamp with time zone",
+                nullable: false,
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp without time zone");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "Published",
+                table: "Packages",
+                type: "timestamp without time zone",
+                nullable: false,
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone");
+        }
+    }
+}