Revert "Update"

This reverts commit 777960ac7b.

.config/awesome/lain/wiki/temp.md

@@ -0,0 +1,32 @@
+## Usage
+
+[Read here.](https://github.com/copycat-killer/lain/wiki/Widgets#usage)
+
+### Description
+
+Shows the current CPU temperature.
+
+```lua
+local mytemp = lain.widget.temp()
+```
+
+## Input table
+
+Variable | Meaning | Type | Default
+--- | --- | --- | ---
+`timeout` | Refresh timeout seconds | number | 2
+`tempfile` | Path of file which stores core temperature value | string | "/sys/class/thermal/thermal_zone0/temp"
+`settings` | User settings | function | empty function
+
+`settings` can use the string `coretemp_now`, which means current core temperature, expressed in Celsius (linux standard).
+
+## Output table
+
+Variable | Meaning | Type
+--- | --- | ---
+`widget` | The widget | `wibox.widget.textbox`
+`update` | Update `widget` | function
+
+## Note
+
+Depending on the architecture, note that your temp files location [might vary](https://github.com/copycat-killer/lain/issues/84#issuecomment-72751763).