FOSSA scan enabled

[idvoretskyi]

Signed-off-by: Ihor Dvoretskyi ihor@linux.com

Which problem is this PR solving?

• Audit and Automate license scanning of CNCF projects cncf/foundation#109

[idvoretskyi]

cc @yurishkuro

[codecov]

Codecov Report

Merging #80 (4d21460) into master (a87ae9d) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##            master       #80    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           26        27     +1     
  Lines          890       714   -176     
==========================================
- Hits           890       714   -176     

Impacted Files	Coverage Δ
metrics/keys.go	100.00% <0.00%> (ø)
sample/sample.go	100.00% <0.00%> (ø)
metrics/factory.go	100.00% <0.00%> (ø)
metrics/metrics.go	100.00% <0.00%> (ø)
metrics/stopwatch.go	100.00% <0.00%> (ø)
utils/rate_limiter.go	100.00% <0.00%> (ø)
metrics/multi/multi.go	100.00% <0.00%> (ø)
metrics/tally/factory.go	100.00% <0.00%> (ø)
metrics/tally/metrics.go	100.00% <0.00%> (ø)
metrics/adapters/cache.go	100.00% <0.00%> (ø)
... and 13 more

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[yurishkuro]

It doesn't look like it was included in the checks in this PR though.