[ISSUE #958] Update licenses files, add licenses of go sdk.

[xwm1992]

Fixes ISSUE #958 .

Motivation

Explain the content here.
Explain why you want to make the changes and what problem you're trying to solve.

Modifications

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Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a followup issue for adding the documentation

[codecov]

Codecov Report

Merging #959 (39d6d13) into master (0e5c29f) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##             master    #959   +/-   ##
========================================
  Coverage      8.53%   8.53%           
  Complexity      529     529           
========================================
  Files           353     356    +3     
  Lines         22747   22766   +19     
  Branches       2497    2496    -1     
========================================
+ Hits           1941    1943    +2     
- Misses        20656   20673   +17     
  Partials        150     150           

Impacted Files	Coverage Δ
...che/eventmesh/trace/zipkin/ZipkinTraceService.java	64.70% <0.00%> (-29.24%)	⬇️
...he/eventmesh/runtime/boot/EventMeshHTTPServer.java	0.00% <0.00%> (ø)
...pache/eventmesh/trace/api/common/ProtocolType.java	0.00% <0.00%> (ø)
.../eventmesh/trace/api/exception/TraceException.java	0.00% <0.00%> (ø)
...mesh/trace/api/common/EventMeshTraceConstants.java	0.00% <0.00%> (ø)

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[ruanwenjun]

@xwm1992 It seems you have deleted the license directory and submit nothing?

[ruanwenjun]

Need to add announce in NOTICE and LICENSE file.

[xwm1992]

Need to add announce in NOTICE and LICENSE file.

Done.

[ruanwenjun]

LGTM