chore(project): add prettier for code format (#3645)

* chore(project): install prettier and lint-staged

* chore(project): apply prettier to html too

* chore(project): git ignore eslintcache

* chore(project): add a comment about format script

* chore(prettier): update printWidth

* chore(prettier): remove useTabs option

* chore(prettier): add HTML validation

* refactor(prettier): fix closing tags

* feat(prettier): define angular parser for html templates

* style(prettier): run prettier on codebase

Co-authored-by: Anthony Lapenna <lapenna.anthony@gmail.com>

app/docker/components/datatables/secrets-datatable/secretsDatatable.js

@@ -10,6 +10,6 @@ angular.module('portainer.docker').component('secretsDatatable', {
     reverseOrder: '<',
     showOwnershipColumn: '<',
     removeAction: '<',
-    refreshCallback: '<'
-  }
+    refreshCallback: '<',
+  },
 });