Add vendor files for go build

vendor/github.com/alecthomas/chroma/lexers/n/nginx.go

@@ -0,0 +1,47 @@
+package n
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Nginx Configuration File lexer.
+var Nginx = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "Nginx configuration file",
+		Aliases:   []string{"nginx"},
+		Filenames: []string{"nginx.conf"},
+		MimeTypes: []string{"text/x-nginx-conf"},
+	},
+	Rules{
+		"root": {
+			{`(include)(\s+)([^\s;]+)`, ByGroups(Keyword, Text, Name), nil},
+			{`[^\s;#]+`, Keyword, Push("stmt")},
+			Include("base"),
+		},
+		"block": {
+			{`\}`, Punctuation, Pop(2)},
+			{`[^\s;#]+`, KeywordNamespace, Push("stmt")},
+			Include("base"),
+		},
+		"stmt": {
+			{`\{`, Punctuation, Push("block")},
+			{`;`, Punctuation, Pop(1)},
+			Include("base"),
+		},
+		"base": {
+			{`#.*\n`, CommentSingle, nil},
+			{`on|off`, NameConstant, nil},
+			{`\$[^\s;#()]+`, NameVariable, nil},
+			{`([a-z0-9.-]+)(:)([0-9]+)`, ByGroups(Name, Punctuation, LiteralNumberInteger), nil},
+			{`[a-z-]+/[a-z-+]+`, LiteralString, nil},
+			{`[0-9]+[km]?\b`, LiteralNumberInteger, nil},
+			{`(~)(\s*)([^\s{]+)`, ByGroups(Punctuation, Text, LiteralStringRegex), nil},
+			{`[:=~]`, Punctuation, nil},
+			{`[^\s;#{}$]+`, LiteralString, nil},
+			{`/[^\s;#]*`, Name, nil},
+			{`\s+`, Text, nil},
+			{`[$;]`, Text, nil},
+		},
+	},
+))