Added ATAK Guide for Arma 3 Players

A3_PLAYER_GUIDE.md

@@ -0,0 +1,24 @@
+# ATAK Environment Introduction for Arma 3 Players
+
+![ATAK phone](https://www.mvrsimulation.com/sites/default/files/m-img/s-2023/ATAK_Integration.jpg)
+
+For the Arma 3 players, starting on ATAK environment is a little bit of a mess, the app is not user friendly and most of the configuration are not out of the packaged done. Before jumping into a Arma 3 game sessions using ARMATAK, i highly recommend you to spend some time playing with the ATAK app doing this stuff:
+
+* Install map imagery with the data packages from [ATAK Maps releases](https://github.com/joshuafuller/ATAK-Maps).  
+* Check out some ATAK tutoriais/introduction from [TRex Arms](https://www.youtube.com/watch?v=WXuQERL_e8M&list=PLH2nRtwLhBm-EUXR-_17QrkVRbnJBK7az), [COTAK](https://www.youtube.com/watch?v=GVMSY_oPg10), [TAK Syndicate](https://www.youtube.com/watch?v=NF_FugV94DY), and many others
+* Draw some info on the map  
+* Try to send video feeds from your computer or cellphone  
+
+## iPhone Users Instructions
+
+1. Buy a android phone  
+2. Follow the Steps bellow  
+
+## Android Users Instructions
+
+1. Download and install ATAK-CIV from the Play Store.  
+2. Open ATAK and go to Settings > Network Preferences > TAK Servers > Add.  
+3. Insert the OTS instance connection information (the briefing diary or your mission maker should be able to provide you that).  
+4. Grab and install the Data Packages from the OTS instance for mapping and mission information if provided.
+5. Send some messages using GeoChat to your buddies to check your server connection.  
+6. Start your game and have fun with enhanced situation awareness.