Rename service files to content-service

[joselsegura]

Description

Simple PR, only rename entry point files to something more descriptive

Type of change

• Refactor (refactoring code, removing useless files)

Testing steps

Regular CI

[Serhii1011010]

ok, but usually underscore is used to split words in go file names.

[tisnik]

Why not :) Thank you

[codecov-commenter]

Codecov Report

Merging #72 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #72   +/-   ##
=======================================
  Coverage   80.49%   80.49%           
=======================================
  Files           8        8           
  Lines         323      323           
=======================================
  Hits          260      260           
  Misses         49       49           
  Partials       14       14           

Impacted Files	Coverage Δ
content-service.go	48.52% <ø> (ø)

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