Example

    class Context : DbContext
    {
        static Context()
        {
            //Database.SetInitializer(new MigrateDatabaseToLatestVersion<Context, ContextMigrationConfiguration>(true));
            Database.SetInitializer(new MigrateDatabaseToLatestVersionExtention<Context, ContextMigrationConfiguration>(true));
        }

        // DbSets
    }

    internal sealed class ContextMigrationConfiguration : DbMigrationsConfiguration<Context>
    {
        public ContextMigrationConfiguration()
        {
            AutomaticMigrationsEnabled = true;
            AutomaticMigrationDataLossAllowed = true;
        }
    }


<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
  </configSections>

  <entityFramework>
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqliteConnectionFactory, Link.EntityFramework.Sqlite">
    </defaultConnectionFactory>
    <providers>
      <provider invariantName="System.Data.SQLite" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
      <provider invariantName="System.Data.SQLite.EF6" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
    </providers>
  </entityFramework>

  <system.data>
    <DbProviderFactories>
      <remove invariant="System.Data.SQLite.EF6" />
      <add name="SQLite Data Provider (Entity Framework 6)" invariant="System.Data.SQLite.EF6" description=".NET Framework Data Provider for SQLite (Entity Framework 6)" type="System.Data.SQLite.EF6.SQLiteProviderFactory, System.Data.SQLite.EF6" />
      <remove invariant="System.Data.SQLite" />
      <add name="SQLite Data Provider" invariant="System.Data.SQLite" description=".NET Framework Data Provider for SQLite" type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite" />
    </DbProviderFactories>
  </system.data>

  <connectionStrings>
    <add name="TestDataContext" connectionString="data source=Test.db;" providerName="System.Data.SQLite.EF6" />
  </connectionStrings>

</configuration>