[Dashboard] Add admin stats

[skarya22]

Brief summary of changes

• Add the Admin Stats dashboard charts from EEGNet
• Add hindi to statistics translations

Testing instructions (if applicable)

1. Insert some data for user registrations and user logins and make sure the charts look ok!
2. Make sure that a user without user_accounts_multisite permission does not see the panel

INSERT INTO `users` (`ID`, `UserID`, `Password`, `Real_name`, `First_name`, `Last_name`, `Degree`, `Position_title`, `Institution`, `Department`, `Address`, `City`, `State`, `Zip_code`, `Country`, `Phone`, `Fax`, `Email`, `Privilege`, `PSCPI`, `DBAccess`, `Active`, `Password_hash`, `PasswordChangeRequired`, `TOTPSecret`, `Pending_approval`, `Doc_Repo_Notifications`, `language_preference`, `active_from`, `active_to`, `account_request_date`) VALUES (2,'test1',NULL,'Test account','Test1','account',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'test1@example.com',0,'N','','Y','$2y$10$6pjQ.x5rPY7voNFs2w/eI.pzLL8H/9wPZ98nabvBOEwDBClhK0l1S',0,NULL,'N','N',NULL,NULL,NULL,'2022-09-22');
INSERT INTO `users` (`ID`, `UserID`, `Password`, `Real_name`, `First_name`, `Last_name`, `Degree`, `Position_title`, `Institution`, `Department`, `Address`, `City`, `State`, `Zip_code`, `Country`, `Phone`, `Fax`, `Email`, `Privilege`, `PSCPI`, `DBAccess`, `Active`, `Password_hash`, `PasswordChangeRequired`, `TOTPSecret`, `Pending_approval`, `Doc_Repo_Notifications`, `language_preference`, `active_from`, `active_to`, `account_request_date`) VALUES (3,'test2',NULL,'Test account','Test2','account',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'test2@example.com',0,'N','','Y','$2y$10$6pjQ.x5rPY7voNFs2w/eI.pzLL8H/9wPZ98nabvBOEwDBClhK0l1S',0,NULL,'N','N',NULL,NULL,NULL,'2024-09-22');
INSERT INTO `users` (`ID`, `UserID`, `Password`, `Real_name`, `First_name`, `Last_name`, `Degree`, `Position_title`, `Institution`, `Department`, `Address`, `City`, `State`, `Zip_code`, `Country`, `Phone`, `Fax`, `Email`, `Privilege`, `PSCPI`, `DBAccess`, `Active`, `Password_hash`, `PasswordChangeRequired`, `TOTPSecret`, `Pending_approval`, `Doc_Repo_Notifications`, `language_preference`, `active_from`, `active_to`, `account_request_date`) VALUES (4,'test3',NULL,'Test account','Test3','account',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'test3@example.com',0,'N','','Y','$2y$10$6pjQ.x5rPY7voNFs2w/eI.pzLL8H/9wPZ98nabvBOEwDBClhK0l1S',0,NULL,'N','N',NULL,NULL,NULL,'2024-09-28');

INSERT INTO `user_login_history` (`loginhistoryID`, `userID`, `Success`, `Failcode`, `Fail_detail`, `Login_timestamp`, `IP_address`, `Page_requested`) VALUES (50,'admin','Y',NULL,NULL,'2026-01-28 20:19:59','10.122.108.32','/login/Authentication');
INSERT INTO `user_login_history` (`loginhistoryID`, `userID`, `Success`, `Failcode`, `Fail_detail`, `Login_timestamp`, `IP_address`, `Page_requested`) VALUES (51,'test1','Y',NULL,NULL,'2026-01-28 20:19:59','10.122.108.32','/login/Authentication');

Link(s) to related issue(s)

• Resolves [dashboard] Add plots for user registrations and monthly logins #9946

[jeffersoncasimir]

Some strings are not translated

[driusan]

@skarya22 I don't think this should go to the 29 release at this point, and can you separate out the hindi from the admin stats into 2 different PRs?

[jeffersoncasimir]

There are still a few untranslated strings:

stale

[skarya22]

TODO: When main is brought up to date with 29.0-release, rebase this to main