feat: Support dark mode in login pages (#7420)

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

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

@@ -1,6 +1,8 @@
 {
   "RESET_PASSWORD": {
     "TITLE": "Reset password",
+    "DESCRIPTION": "Enter the email address you use to log in to Chatwoot to get the password reset instructions.",
+    "GO_BACK_TO_LOGIN": "If you want to go back to the login page,",
     "EMAIL": {
       "LABEL": "Email",
       "PLACEHOLDER": "Please enter your email.",