[README] Typos :)

run df and free one time, change cpu temperature to actual cpu usage

change cpu temprature to actual cpu usage using top.

Create dwm currency sh

. in 17,74 so that identifier as non-unicode can see the sign.

Simplify the volume query

it is possible to use `--get-volume` to avoid having to strip the percent sign

README: typo

Solar panels module

dwm_alsa.sh will now return MUTE when the alsa output is muted

Modular string generation

Added font awesome to suggestions and changed directory names

Fix small Typo in README

Adds network information support for connman

Add dwm_loadavg to display the average system load

Reccomendation -> Recommendations

Connman is a lightweight network manager.
With this patch basic network information like SSID, WLan signal
strength and IP can be provided to the dwm-bar.

fixing typo on CONTRIBUTING.md

For portability, sh allows the script to run on other shells set by the user. This has been tested on Bash and Posix sh and still functions using them.