Adding Legend to Suported Devices

+ Adding 🤖 symbol for Automatic saving
+ Changing ⚠️ to 🚨 for better visibility
+ Adding :tools: symbol to mean `partial support`
+ Adding ⭕ symbol to mean not currently implemented by OpenRGB

Controllers/EKController/RGBController_EKController.cpp

@@ -13,7 +13,7 @@
     @name EK Loop Connect
     @category LEDStrip
     @type USB
-    @save :warning:
+    @save :robot:
     @direct :x:
     @effects :white_check_mark:
     @detectors DetectEKControllers