FR: QOS Ack Implementation

[denopink]

Related to xmidt-org/talaria#228 and xmidt-org/talaria#235 What this includes

• make SupportsTransaction easier to read
• add SupportsQOSAck
• add IsQOSAckPart
• add usefull default qos values

  const (
  QOSLowValue QOSValue = iota * 25
  QOSMediumValue
  QOSHighValue
  QOSCriticalValue
  )

• add TestMessageTypeSupportsQOSAck
• improve readability for SupportsTransaction and add missing message type case lastMessageType
• update error message

[codecov[bot]]

Codecov Report

Merging #93 (a347b65) into main (abcb3f7) will increase coverage by 0.03%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #93      +/-   ##
==========================================
+ Coverage   51.02%   51.06%   +0.03%     
==========================================
  Files          24       24              
  Lines        3953     3956       +3     
==========================================
+ Hits         2017     2020       +3     
  Misses       1760     1760              
  Partials      176      176              

Flag	Coverage Δ
unittests	51.06% <100.00%> (+0.03%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
qos.go	100.00% <ø> (ø)
messages.go	96.99% <100.00%> (+0.21%)	:arrow_up:
messagetype.go	95.12% <100.00%> (-0.63%)	:arrow_down:

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

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