Refactoring structure in modules [core|cats|scalaz]

[llfrometa89]

• Create core module with base algebras
• Create cats module
• Create scalaz module
• cats examples and scalaz examples

[codecov-io]

Codecov Report

Merging #9 into master will decrease coverage by 47.82%.
The diff coverage is 0%.

@@           Coverage Diff           @@
##           master   #9       +/-   ##
=======================================
- Coverage   47.82%   0%   -47.83%     
=======================================
  Files           2    2               
  Lines          23   44       +21     
=======================================
- Hits           11    0       -11     
- Misses         12   44       +32

Impacted Files	Coverage Δ
...main/scala/org/pure4s/logger4s/scalaz/Logger.scala	0% <0%> (ø)
...c/main/scala/org/pure4s/logger4s/cats/Logger.scala	0% <0%> (ø)
...c/main/scala/org/pure4s/logger4s/LazyLogging.scala

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