HXCS-3659 copy feature-flags lib (#9655)

* HXCS-3659 copy feature-flags lib

* HXCS-3659 remove hxps reference

* HXCS-3659 update component selectors

* HXCS-3659 replace word overridability with override

* HXCS-3659 remove commented/dead code

* HXCS-3659 rename files

* HXCS-3659 fix imports after renaming files

* HXCS-3659 update names to not refer ng 14

* HXCS-3659 update license header

* HXCS-3659 remove unused param

* HXCS-3659 test StorageFesturesService

* HXCS-3659 test DummyFesturesService

* HXCS-3659 test DebugFeaturesService in debug mode

* HXCS-3659 test DebugFeaturesService in debug mode

* HXCS-3659 test DebugFeaturesService not in debug mode

* HXCS-3659 test FlagSetParser

* HXCS-3659 test feature flags directives

* HXCS-3659 test flags component

* HXCS-3659 update readme

* HXCS-3659 link docs into readme

* HXCS-3659 update adf-feature-flags-wrapper css rules

* HXCS-3659 update Directive selectors

* HXCS-3659 add i18n

* HXCS-3659 update FlagsComponent css

* HXCS-3659 update directives @Input property names

* HXCS-3659 provides guards in the root

* HXCS-3659 remove deprecated method getFlagsSnapshot

---------

Co-authored-by: Adriano Costa <Adriano.Costa@hyland.comgit>

lib/core/src/lib/i18n/en.json

@@ -252,6 +252,12 @@
     "SEARCH": {
       "TOGGLE_ASC_DESC_ORDER": "Toggle results between ascending and descending order",
       "SORT_BY": "Sort by"
+    },
+    "FEATURE-FLAGS": {
+      "OVERRIDES": "Feature flag overrides",
+      "FILTER_OR_ADD_NEW": "Filter or add new",
+      "FILTER": "Filter",
+      "ADD_NEW": "Add new feature flag (Shift + Enter)"
     }
   },
   "COMMENTS": {