Added the Wind Speed Svg Icon

[Mayank-Khurmai]

/* Css Code for wind-speed.svg */

.wind-speed {
width: 1em;
height: 1em;
}

.wind-speed path,
.wind-speed polygon,
.wind-speed rect {
fill: #4691f6;
}

.wind-speed circle {
stroke: #4691f6;
stroke-width: 1;
}