Update Helm Chart info

[rinx]

Signed-off-by: Rintaro Okamura rintaro.okamura@gmail.com

Description:

• Update Helm Chart info.
• Add ArtifactHub badge
• (fix tests to run reviewdog correctly)

Related Issue:

Nothing.

How Has This Been Tested?:

Nothing.

Environment:

• Go Version: 1.14.3
• Docker Version: 19.03.8
• Kubernetes Version: 1.18.2
• NGT Version: 1.11.5

Types of changes:

• Bug fix [type/bug]
• New feature [type/feature]
• Add tests [type/test]
• Security related changes [type/security]
• Add documents [type/documentation]
• Refactoring [type/refactoring]
• Update dependencies [type/dependency]
• Update benchmarks and performances [type/bench]
• Update CI [type/ci]

Changes to Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your core changes, as applicable?
• Have you successfully ran tests with your changes locally?

Checklist:

• I have read the CONTRIBUTING document.
• I have checked open Pull Requests for the similar feature or fixes?
• I have added tests and benchmarks to cover my changes.
• I have ensured all new and existing tests passed.
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation accordingly.

[codecov]

Codecov Report

Merging #496 into master will decrease coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #496      +/-   ##
=========================================
- Coverage    8.03%   7.97%   -0.06%     
=========================================
  Files         394     401       +7     
  Lines       20419   20705     +286     
=========================================
+ Hits         1640    1651      +11     
- Misses      18548   18812     +264     
- Partials      231     242      +11     

Impacted Files	Coverage Δ
...al/observability/exporter/prometheus/prometheus.go	0.00% <0.00%> (ø)
internal/observability/client/google/option.go	0.00% <0.00%> (ø)
...ability/exporter/stackdriver/stackdriver_option.go	5.17% <0.00%> (ø)
internal/observability/exporter/jaeger/jaeger.go	0.00% <0.00%> (ø)
...rvability/exporter/prometheus/prometheus_option.go	16.66% <0.00%> (ø)
.../observability/exporter/stackdriver/stackdriver.go	0.00% <0.00%> (ø)
...nal/observability/exporter/jaeger/jaeger_option.go	5.40% <0.00%> (ø)

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[kpango]

LGTM