Merge branch 'master' of https://github.com/prasathmani/tinyfilemanager…

… into offline

Major update on security, improved UI and bug fix.

Fix - typo error prasathmani#641

dark mode prasathmani#352

Request: Dark mode option in the admin section. prasathmani#260

Advanced Search

Mouse hover image preview
Upload error handling
Thumbnail view for folders containing images prasathmani#283
How to search inside folders. prasathmani#282
Search bar with regex matching prasathmani#140
Subfolder Search Feature prasathmani#132

Redesign login screen, Removed remember me checkbox, Security vulnera…

…bility fix prasathmani#270, User role have Preview and Search option prasathmani#265, prasathmani#222

Some language strings are missing. And other... prasathmani#192

view file is insecure prasathmani#187
Get files size (recursive) prasathmani#186
There is no possibility for translation for some hints (title =) prasathmani#185
View dirSize instead of word "Folder" prasathmani#184
Document type detection prasathmani#183
Stored Cross-site Scripting (XSS) Vulnerability detected in File Names prasathmani#180
strings in code prasathmani#177
Remove tracking prasathmani#164

Provide "previous" and "next" to navigate between previews prasathman…

…i#145

Cross site scripting (XSS) prasathmani#141
RegEx error | function template prasathmani#134

Added Version Check

Added new Translation JSON file
New languages added - Spanish, German, Thailand and Chinese
Removed languages from tinyfilemanager.php file
Updated IDE languages and themes

Multi-language support prasathmani#2.2.0