Support Canner Enterprise DataSource

[kokokuo]

What’s the problem you're trying to solve

In order to solve the problem, VulcanSQL should support connecting to Canner Enterprise named CannerDataSource and query tables / materialized views/views / shared tables from each workspace in Canner Enterprise.

Describe the solution you’d like

According to #168, we should inherit DataSource and create CannerDataSource to implement it.

....

export type DataColumn = { name: string; type: string };

export interface DataResult {
  getColumns: () => DataColumn[];
  getData: () => Readable;
}

export interface ExportOptions {
  // The sql query result to export
  sql: string;
  // The directory to export result to file
  directory: string;
  // The profile name to select to export data
  profileName: string;
  // export file format type
  type: CacheLayerStoreFormatType | string;
}

..... 

@VulcanExtension(TYPES.Extension_DataSource, { enforcedId: true })
export abstract class DataSource<
  C = any,
  PROFILE = Record<string, any>
> extends ExtensionBase<C> {
  private profiles: Map<string, Profile<PROFILE>>;

  constructor(
    @inject(TYPES.ExtensionConfig) config: C,
    @inject(TYPES.ExtensionName) moduleName: string,
    @multiInject(TYPES.Profile) @optional() profiles: Profile[] = []
  ) {
    super(config, moduleName);
    this.profiles = profiles.reduce(
      (prev, curr) => prev.set(curr.name, curr),
      new Map()
    );
  }
   abstract execute(options: ExecuteOptions): Promise<DataResult>;

  /**
   * Export query result data to cache file for cache layer loader used
   */
  public export(options: ExportOptions): Promise<void> {
    throw new Error(`Export method not implemented`);
  }

  .....
}