Fixed some aliases and reworked namespaces

migrate.ps1

@@ -0,0 +1,10 @@
+if ($args.Length -eq 0) {
+    Write-Host "Please provide a migration name." -ForegroundColor Red
+}
+else {
+    $migrationName = $args[0]
+    dotnet ef migrations add $migrationName -c SqliteContext
+    dotnet ef migrations add $migrationName -c PostgreSqlContext
+    dotnet ef migrations add $migrationName -c MysqlContext
+}
+