improve dble config template

[PanternBao]

• dble version：
  before 2.19.03.0 release

• before improve:
  The configuration template can only partially display the usage of the configuration.

• improve:
  The configuration template completely shows the usage of the configuration.

[yexiaoli88]

<alarm / > should be removed from server_template.xml

[yexiaoli88]

< table /> contains incrementColumn should be added into schema_template.xml