Update readme file and package's keywords list

Author: Alhadis

README.md

@@ -11,6 +11,7 @@ Currently included:
 * [KiCad PCB Boards][3]
 * [KiCad PCB Schematics][3]
 * [KiCad PCB Layouts][3]
+* [LTSpice Symbols][8]
 
 Stuff that could be included:
 
@@ -42,3 +43,4 @@ Flags("nameonpcb,uniquename,clearnew,snappin")
 [5]: http://www.artwork.com/gerber/drl2laser/excellon/index.htm
 [6]: http://www.johnjohnson.info/wp-content/uploads/2013/05/pcbgcode.pdf
 [7]: http://pcb.geda-project.org/
+[8]: http://www.zen22142.zen.co.uk/ltspice/newsymbols.htm

package.json

@@ -2,7 +2,7 @@
 	"name": "language-pcb",
 	"version": "1.0.1",
 	"description": "Syntax highlighting for various PCB (Printed Circuit Board) formats.",
-	"keywords": ["KiCad", "circuitry", "circuitboard", "CAD", "Gerber", "RS-274X"],
+	"keywords": ["KiCad", "circuitry", "circuitboard", "CAD", "Gerber", "RS-274X", "LTSpice"],
 	"repository": "https://github.com/Alhadis/language-pcb",
 	"author": "Alhadis <gardnerjohng@gmail.com>",
 	"license": "ISC",