Closes #1028

* feat(playground generation): generate modules for each directory in playground

* style: add licence

* refactor: rename modules to examples

* refactor: move modules into layout and no-layout dirs

* feat: add support for nested modules

* style: change helpers names

* feat(routes): add child routes support

* feat(add to modules): add services and directives

Also process feature and routing modules

* refactor(missing modules): unify example and playground modules generation

* refactor(route search): make search breadth first

* refactor(deep route predicate): apply predicate from top to bottom

It will optimize search since route search is breadth first.

* style: remove unneeded functions

* refactor(module generation): simplify filter

* feat: add find module function

* refactor: get playground root from function

* refactor(multiline array): detect indentation

* fix(add-missing-modules): set proper template path

* fix(routes): proper routes for nested modules

* feat(multiline array): simplify element indentation calc

* fix(styles): remove styles dir from examples directory

* fix(infinite list example): update styles path

* fix(auth example): import from node modules

* refactor: change prefix

* feat: create layout and no layout modules

* refactor(auth): move component to sub dir

To skip route creation for this component

* feat: move helper components to sub dir

Helper component are those which don't need own route and used only in
example components.

* style: add more info to warning message

* refactor(auth): move component to sub dir

To skip route creation for this component

* fix(auth example): update component import path

* refactor(shared): move component to sub dir

To skip route creation for this component

* fix(popover example): update component import path

* feat(schematics): create routing module only for dirs with components

* fix: update routing paths for old lazy modules

* fix(playground): update import paths

* refactor(playground): remove

* feat: skip route adding for components already used in routes

* refactor: move back components which need own routes

* fix: handle nested dirs

* refactor: rename layout and no layout dirs

* feat: add menu test module

* fix: update base playground dir names

* feat: add user test module

To prevent routes duplication for layout and no-layout dirs

* feat(routing): add routing module for for each example dir

* refactor: always multiline declarations array

* fix: update module path

* feat: add feature module for each example dir

* fix(routing): check for existing route before adding

* refactor(routes util): extract route props search into functions

* refactor(routes util): pass text instead identifier

* refactor(routes util): use general function to get route props

* fix(action example): add missing layout module

* refactor(playground app): remove prefixes

* build(docs): update paths

* fix: update import paths

* feat(playground): run schematics on files change

* fix(build): pass params to ng serve

* fix(button example): add button module

* fix(overlay example): remove duplicate overlay module

* refactor: split big functions

* refactor(modules gen): add typings

* refactor(modules gen): remove currying, simplify conditions

* style: correct formatting, simplify conditions, add typings

* fix: missing routes creation

* fix(routing generation): handle base pg modules routing properly

* style: simplify expression

* refactor: split function into smaller parts

* fix(base routes): add children prop if missing

* fix(input example): move example into appropriate directory

* fix(azure example): move example into appropriate directory

* style: remove Nb prefix

Fixes #1060

Closes #1077

…1114)

- Hide Captions In User Component example added
- Avatar Image Settings example added
- Xlarge size added in Multiple Sizes example

According RFC 6749, all oauth2 flow sends parameters in x-www-form-url-encoded format

- Autocollapse menu example
- Menu link parameters example
- Menu Service example

Closes #1088