move nvinf widget to match new layout

contrib/README.md

@@ -85,11 +85,15 @@ vicious.contrib.openweather
   - returns a table with string keys: {city}, {wind deg}, {wind aim},
     {wind kmh}, {wind mps}, {sky}, {weather}, {temp c}, {humid}, {press}
 
-vicious.contrib.nvinf
-  - provides GPU utilization, core temperature, clock frequency information
-    about Nvidia GPU from nvidia-settings
-  - takes optional card ID as an argument, i.e. "1", or defaults to ID 0
-  - returns first 4 values as usage of GPU core, memory, video engine and
+**vicious.contrib.nvinf**
+
+provides GPU utilization, core temperature, clock frequency information about Nvidia GPU from nvidia-settings
+Supported Platforms: platform independent
+
+- Arguments 
+  * takes optional card ID as an argument, i.e. "1", or defaults to ID 0
+- Returns 
+  * first 4 values as usage of GPU core, memory, video engine and
     PCIe bandwidth, 5th as temperature of requested graphics device, 6th
     as frequency of GPU core, 7th as memory transfer rate
 

contrib/nvinf_all.lua

@@ -13,7 +13,7 @@ local helpers = require("vicious.helpers")
 
 
 -- vicious.widgets.nvinf
-local nvinf = {}
+local nvinf_all = {}
 
 
 -- {{{ NVIDIA infomation widget type
@@ -32,4 +32,4 @@ local function worker(format, warg)
 end
 -- }}}
 
-return setmetatable(nvinf, { __call = function(_, ...) return worker(...) end })
+return setmetatable(nvinf_all, { __call = function(_, ...) return worker(...) end })