[ISSUE #415] feat(producer): auto create topic for producer

[xujianhai666]

Closes #415

[ShannonDing]

CI error, go fmt for internal/route.go

[ShannonDing]

CI error.

[codecov-io]

Codecov Report

Merging #416 into native will decrease coverage by 0.21%.
The diff coverage is 6.66%.

@@            Coverage Diff             @@
##           native     #416      +/-   ##
==========================================
- Coverage    24.9%   24.69%   -0.22%     
==========================================
  Files          48       48              
  Lines        5480     5535      +55     
==========================================
+ Hits         1365     1367       +2     
- Misses       3928     3980      +52     
- Partials      187      188       +1

Impacted Files	Coverage Δ
internal/namesrv.go	66% <ø> (ø)	⬆️
internal/mock_namesrv.go	0% <0%> (ø)	⬆️
primitive/errors.go	0% <0%> (ø)	⬆️
internal/route.go	9.48% <0%> (-0.4%)	⬇️
internal/client.go	0.23% <0%> (ø)	⬆️
producer/producer.go	29.3% <0%> (-0.55%)	⬇️
producer/option.go	38.29% <45.45%> (-2.73%)	⬇️
consumer/push_consumer.go	12.41% <0%> (+0.03%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update adc707f...5d9f6be. Read the comment docs.