Update page 'FAQ'

FAQ.md

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+# Frequently Asked Questions
+### **How many Deezloader there are?**
+There are mainly three branches<br>
+<br>
+[Deezloader Reborn](https://git.teknik.io/Ermyas/DeezLoader) v3.1.3<br>
+[Deezloader Remaster](https://github.com/Superhackman/deezloader-remaster-updated) v4.1.2<br>
+[Deezloader Remix](https://notabug.org/tognee/DeezloaderRemix) v4.1.1<br>
+<br>
+Then there is the [Android Version](https://gitlab.com/DT3264/DeezLoader-Android) based on Remix, don't ask me about it.<br>
+<br>
+### **What's the difference between the versions?**
+Reborn
+* Vanilla version, no Extra Features
+* Fixed all the problems with the login and the features
+
+Remaster
+* Total rework of the app structure (+optimization)
+* Using CDNs for resources (uses more Internet)
+* Libraries updated but no custom theme for Materializecss (Ugly UI)
+* Playlist Tab
+* Playlist conversion (Done with an external service)
+
+Remix
+* Libraries updated
+* Custom theme for Materializecss
+* Implementation with Spotify APIs (No third party services) to download playlists
+* Improved download speed
+* Extensive set of options for a personalized ｅｘｐｅｒｉｅｎｃｅ
+* Server mode to launch the app headless
+* Playlist Tab (w/ Spotify Integration)
+* Optimizations
+* Queue Concurrency
+
+### **I can't login**
+Make sure you have ONLY ONE istance of ANY Deezloader open at once.<br>
+Restart the app.<br>
+If it doesn't work use a VPN.<br>
+If you have antiviruses installed try disabling them.<br>
+If none of the above works there's a problem in the app. Go to our group and see if the error has already been reported.<br>
+<br>
+### **My application is not working on Android!**
+I'm not the Android app developer, so don't ask me about bugs in the android app if they aren't in the desktop version as well<br>
+<br>
+### **My application is not working on PC!**
+Before contacting me make sure you're using the latest version of the app, then check the Telegram group and see if the issue has already been discovered.<br>
+<br>
+### Where can I find the log files?
+Windows : `%appdata%/DeezloaderRMX/logs`<br>
+macOS : `Library/Application Support/DeezloaderRMX/logs`<br>
+Linux : `/home/%user%/.config/DeezloaderRMX/`<br>