feat: Header for help-center pages (#4987)

app/javascript/dashboard/i18n/locale/en/helpCenter.json

@@ -0,0 +1,19 @@
+{
+  "HELP_CENTER": {
+    "HEADER": {
+      "FILTER": "Filter by",
+      "SORT": "Sort by",
+      "SETTINGS_BUTTON": "Settings",
+      "NEW_BUTTON": "New Article"
+    },
+    "EDIT_HEADER": {
+      "PUBLISH_BUTTON": "Publish",
+      "PREVIEW": "Preview",
+      "ADD_TRANSLATION": "Add translation",
+      "OPEN_SIDEBAR": "Open sidebar",
+      "CLOSE_SIDEBAR": "Close sidebar",
+      "SAVING": "Draft saving...",
+      "SAVED": "Draft saved"
+    }
+  }
+}

app/javascript/dashboard/i18n/locale/en/index.js

@@ -23,6 +23,7 @@ import { default as _settings } from './settings.json';
 import { default as _signup } from './signup.json';
 import { default as _teamsSettings } from './teamsSettings.json';
 import { default as _whatsappTemplates } from './whatsappTemplates.json';
+import { default as _helpCenter } from './helpCenter.json';
 
 export default {
   ..._advancedFilters,
@@ -50,4 +51,5 @@ export default {
   ..._teamsSettings,
   ..._whatsappTemplates,
   ..._bulkActions,
+  ..._helpCenter,
 };