Initial work on Arc controller + MIAA dashboards (#10781)

* initial

* postgres overview dashboard

* fewer dependencies

* stricter compile options

* make vsce package work

* Add localizedConstants

* Add localizedConstants

(cherry picked from commit 3ceed3e82b918ac829a7eac01487844e7d2ec02d)

* common WIP

* Initial dashboard work

* separate ui and models

* extend DashboardPage

* remove error handling

* wip

* Add more localized constants

* More updates

* Use api to populate instances

* merge master, strict mode, error handling, propertiesContainer, openInAzure

* use more localizedConstants

* localization

* connection strings and properties pages

* don't include arc extension by default

* don't include arc extension by default

* Address PR feedback

* undo changes to modelview components

* localize copied to clipboard

* localize copied to clipboard with function

* Update gulpfile.hygiene.js

* Move the gulpfile

* More updates

* more updates

* More updates

* re-delete file

* Fix compile error

* PR comments

Co-authored-by: Brian Bergeron <brberger@microsoft.com>
Co-authored-by: Brian Bergeron <brian.e.bergeron@gmail.com>
Co-authored-by: Amir Omidi <amomidi@microsoft.com>

extensions/arc/package.nls.json

@@ -4,5 +4,6 @@
 	"arc.configuration.title": "Azure Arc",
 	"arc.ignoreSslVerification.desc" : "Ignore SSL verification errors against the controller endpoint if true",
 	"arc.manageMiaa": "Manage MIAA",
-	"arc.managePostgres": "Manage Postgres"
+	"arc.managePostgres": "Manage Postgres",
+	"arc.manageArcController": "Manage Arc Controller"
 }