split lua stubs into one set for ldoc, and one set for lua-ls

luals-stubs/power.lua

@@ -0,0 +1,10 @@
+--- @meta
+
+--- Properties and functions that deal with the device's battery and power state.
+--- @class power
+--- @field battery_pct Property The battery's current charge, as a percentage of the maximum charge.
+--- @field battery_millivolts Property The battery's current voltage, in millivolts.
+--- @field plugged_in Property Whether or not the device is currently receiving external power.
+local power = {}
+
+return power