fix(packaging): Disable compiling library with ivy

[AncelHernandez]

** PR Checklist
Please check if your PR fulfills the following requirements:

• [ x] The commit message follows our guidelines: https://github.com/fulls1z3/ngx-config/blob/master/CONTRIBUTING.md#commit
• [x ] Tests for the changes have been added (for bug fixes / features)
• [x ] Docs have been added / updated (for bug fixes / features)

** PR Type
What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

** What is the current behavior?

Issue Number: #163

There is a build error when compiling an application with this library:

ERROR: Error during template compile of 'CoreModule'
  Function calls are not supported in decorators but 'ConfigModule' was called.

** What is the new behavior?
No build error. It is not recomended for libraries to be compiled with ivy yet.

Per the CLI:

It is not recommended to publish Ivy libraries to NPM repositories.
Read more here: https://v9.angular.io/guide/ivy#maintaining-library-compatibility

** Does this PR introduce a breaking change?

[ ] Yes
[ x] No

** Other information

[ghost]

Warnings are found on analyzing the commit a87acc8.

2 warnings:

• ⚠️ Goodcheck
• ⚠️ TSLint

We recommend to address them as possible, for example, update outdated dependencies, fix the tool's configuration, configure sider.yml, turn off unused tools, and so on.

If you are struggling with these errors or warnings, feel free to ask us via chat. 💬

[codecov]

Codecov Report

Merging #164 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #164   +/-   ##
=======================================
  Coverage   95.60%   95.60%           
=======================================
  Files           9        9           
  Lines          91       91           
  Branches       12        9    -3     
=======================================
  Hits           87       87           
  Misses          4        4           

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[fulls1z3]

@AncelHernandez need help with these PR's, especially with ng-packagr is failing. once done aim is first to ng 10 and then eventually to ng11 and ng12 (supporting all intermediate versions)

• update deps ngx-meta#216
• update deps #169
• update deps ngx-cache#141
• update deps ngx-auth#135

and finally we're showcasing it on fulls1z3/universal#755