feat(config): use find-config package to locate config

[Guria]

There is no need in creating symlink with postinstall script so it was removed.
Getting started instruction provides command to get config template.

closes #10
includes #19

[codecov-io]

Current coverage is 100.00%

Merging #20 into master will not affect coverage as of 4d9028e

@@            master     #20   diff @@
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  Files            2       2       
  Stmts          193     224    +31
  Branches         0       0       
  Methods          0       0       
======================================
+ Hit            193     224    +31
  Partial          0       0       
  Missed           0       0       

Review entire Coverage Diff as of 4d9028e

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[leonardoanalista]

For PR #20 use find-config package to locate config, Is this a breaking
I can't see the commit with breaking change footer?

[Guria]

@leonardoanalista see latest comment in #10

[leonardoanalista]

because this should bump the major version to 3 right?

[Guria]

@leonardoanalista it doesn't breaks anything in fact

[leonardoanalista]

great stuff! cheers

[Guria]

I just made it to fit my needs :)

[leonardoanalista]

The symlink and auto-file creation was a bit arguable. Jshint, eslint and others you have to create config file manually. Also now this module is more inclusive to Windows clients.