[feature] add greenplum template

[Aias00]

What's changed?

add greenplum template

see https://greenplum.org/

Checklist

• I have read the Contributing Guide
• I have written the necessary doc or comment.
• I have added the necessary unit tests and all cases have passed.

Add or update API

• I have added the necessary e2e tests and all cases have passed.

[tomsun28]

lgtm! can help add metrics i18n?
eg:

  - name: sort
    priority: 2
    i18n:
      zh-CN: 排序 信息
      en-US: Sort Info
    fields:
      - field: sort_rows
        type: 0
        i18n:
          zh-CN: 排序总行数
          en-US: Sort Rows

[Aias00]

lgtm! can help add metrics i18n? eg:

  - name: sort
    priority: 2
    i18n:
      zh-CN: 排序 信息
      en-US: Sort Info
    fields:
      - field: sort_rows
        type: 0
        i18n:
          zh-CN: 排序总行数
          en-US: Sort Rows

okay, i will add them later