Helm multiline passer template and usage

[onecer]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #1137

Does this PR introduced a user-facing change?

None

Helm multiline passer template, support filter go python java multiline log

Additional documentation, usage docs, etc.:

set helm values.yaml

  parsers:
      javaMultiline:
        enable: true

  filter:
    multiline:
      enable: false
      keyContent: log
      parsers:
        - go
        - python
        - java
        #  use custom multiline parser need set .Values.parsers.javaMultiline.enable = true
        - java-multiline

[benjaminhuo]

@onecer Thank you!