sway: add pointer-accel.conf to fix gayming

conf/sway/config.d/pointer-accel.conf

@@ -0,0 +1,10 @@
+# Switches mouse to adaptive acceleration profile and sets speed to 0
+# Idea from https://www.reddit.com/r/linux_gaming/comments/tu2l0q/comment/i34ejep/
+# This stops constant rotation in FF XII Zodiac Age, at least when reloading
+#  sway config during gameplay, rotation by mouse still seems weird, but I
+#  use an Xbox controller anyway :)
+
+input "type:pointer" {
+    accel_profile adaptive
+    pointer_accel 0
+   }