Update CREDITS.md

Author: hennevogel

CREDITS.md

@@ -1,9 +1,9 @@
-# Icons
-Hammer icon used is by Christopher T. Howlett from the [Noun Project](http://thenounproject.com/).
-Hand-Plane, Chisel and Saw icons used are by Guvnor Co from the [Noun Project](http://thenounproject.com/).
-Screwdriver icon used is by Tony Gines from the [Noun Project](http://thenounproject.com/).
-Drill icon used is by James Keuning from the [Noun Project](http://thenounproject.com/).
-Ruler icon used is by Chris Kerr from the [Noun Project](http://thenounproject.com/).
-Wrench icon used is by John Caserta from the [Noun Project](http://thenounproject.com/).
-Pliers icon used is by Andres Arenas from the [Noun Project](http://thenounproject.com/).
-Hand-File icon used is by Luke Anthony Firth from the [Noun Project](http://thenounproject.com/).
+### Icons
+* Hammer icon used is by Christopher T. Howlett from the [Noun Project](http://thenounproject.com/).
+* Hand-Plane, Chisel and Saw icons used are by Guvnor Co from the [Noun Project](http://thenounproject.com/).
+* Screwdriver icon used is by Tony Gines from the [Noun Project](http://thenounproject.com/).
+* Drill icon used is by James Keuning from the [Noun Project](http://thenounproject.com/).
+* Ruler icon used is by Chris Kerr from the [Noun Project](http://thenounproject.com/).
+* Wrench icon used is by John Caserta from the [Noun Project](http://thenounproject.com/).
+* Pliers icon used is by Andres Arenas from the [Noun Project](http://thenounproject.com/).
+* Hand-File icon used is by Luke Anthony Firth from the [Noun Project](http://thenounproject.com/).