Add vendor files for go build

vendor/github.com/alecthomas/chroma/lexers/p/pkgconfig.go

@@ -0,0 +1,41 @@
+package p
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Pkgconfig lexer.
+var Pkgconfig = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "PkgConfig",
+		Aliases:   []string{"pkgconfig"},
+		Filenames: []string{"*.pc"},
+		MimeTypes: []string{},
+	},
+	Rules{
+		"root": {
+			{`#.*$`, CommentSingle, nil},
+			{`^(\w+)(=)`, ByGroups(NameAttribute, Operator), nil},
+			{`^([\w.]+)(:)`, ByGroups(NameTag, Punctuation), Push("spvalue")},
+			Include("interp"),
+			{`[^${}#=:\n.]+`, Text, nil},
+			{`.`, Text, nil},
+		},
+		"interp": {
+			{`\$\$`, Text, nil},
+			{`\$\{`, LiteralStringInterpol, Push("curly")},
+		},
+		"curly": {
+			{`\}`, LiteralStringInterpol, Pop(1)},
+			{`\w+`, NameAttribute, nil},
+		},
+		"spvalue": {
+			Include("interp"),
+			{`#.*$`, CommentSingle, Pop(1)},
+			{`\n`, Text, Pop(1)},
+			{`[^${}#\n]+`, Text, nil},
+			{`.`, Text, nil},
+		},
+	},
+))