[ISSUE #56] add exportJvmInfo to judge prometheus whether export jvm info or not

[tianliuliu]

fix #56 add exportJvmInfo to judge prometheus whether export jvm info or not

[codecov-commenter]

Codecov Report

Merging #57 (f5a2779) into main (0177b54) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main      #57      +/-   ##
==========================================
- Coverage   23.77%   23.74%   -0.04%     
==========================================
  Files          96       96              
  Lines        4176     4182       +6     
  Branches      662      663       +1     
==========================================
  Hits          993      993              
- Misses       2960     2966       +6     
  Partials      223      223              

Impacted Files	Coverage Δ
...rg/apache/rocketmq/mqtt/cs/config/ConnectConf.java	0.00% <0.00%> (ø)
...pache/rocketmq/mqtt/cs/starter/ExporterServer.java	0.00% <0.00%> (ø)
...rg/apache/rocketmq/mqtt/exporter/MqttExporter.java	0.00% <0.00%> (ø)

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[ShannonDing]

LGTM