fix(pa11y-ci): added chrome launch path and necessary ignores (#1043)

* fix(pa11y-ci): added chrome launch path

https://www.npmjs.com/pa11y-ci#pa11y-ci-3-and-ubuntu

* refactor: another try

* refactor: added wcag false/positive ignore

* refactor: wrong place

* refactor: another try

* refactor: another try

Author: mfranzke

.pa11yci

@@ -1,7 +1,13 @@
 {
 	"defaults": {
 		"timeout": 10000,
-		"wait": 2000
+		"wait": 2000,
+		"ignore": [
+			"WCAG2AA.Principle1.Guideline1_4.1_4_3.G18.Fail"
+		],
+		"chromeLaunchConfig": {
+			"executablePath": "/usr/bin/google-chrome"
+		}
 	},
 	"urls": [
 		"http://127.0.0.1:8080/patterns/base-colors/index.html",