add hbs and yaml extensions

Author: stefanseifert

.gitattributes

@@ -6,6 +6,7 @@
 *.esp text eol=lf
 *.ecma text eol=lf
 *.hbrs text eol=lf
+*.hbs text eol=lf
 *.htm text eol=lf
 *.html text eol=lf
 *.java text eol=lf
@@ -35,6 +36,8 @@
 *.xsd text eol=lf
 *.xsl text eol=lf
 *.xslt text eol=lf
+*.yml text eol=lf
+*.yaml text eol=lf
 
 
 # Declare windows-specific text files with windows file ending