feat: update to go modules

vendor/github.com/alecthomas/chroma/lexers/i/io.go

@@ -1,40 +0,0 @@
-package i
-
-import (
-	. "github.com/alecthomas/chroma" // nolint
-	"github.com/alecthomas/chroma/lexers/internal"
-)
-
-// Io lexer.
-var Io = internal.Register(MustNewLexer(
-	&Config{
-		Name:      "Io",
-		Aliases:   []string{"io"},
-		Filenames: []string{"*.io"},
-		MimeTypes: []string{"text/x-iosrc"},
-	},
-	Rules{
-		"root": {
-			{`\n`, Text, nil},
-			{`\s+`, Text, nil},
-			{`//(.*?)\n`, CommentSingle, nil},
-			{`#(.*?)\n`, CommentSingle, nil},
-			{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
-			{`/\+`, CommentMultiline, Push("nestedcomment")},
-			{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
-			{`::=|:=|=|\(|\)|;|,|\*|-|\+|>|<|@|!|/|\||\^|\.|%|&|\[|\]|\{|\}`, Operator, nil},
-			{`(clone|do|doFile|doString|method|for|if|else|elseif|then)\b`, Keyword, nil},
-			{`(nil|false|true)\b`, NameConstant, nil},
-			{`(Object|list|List|Map|args|Sequence|Coroutine|File)\b`, NameBuiltin, nil},
-			{`[a-zA-Z_]\w*`, Name, nil},
-			{`(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?`, LiteralNumberFloat, nil},
-			{`\d+`, LiteralNumberInteger, nil},
-		},
-		"nestedcomment": {
-			{`[^+/]+`, CommentMultiline, nil},
-			{`/\+`, CommentMultiline, Push()},
-			{`\+/`, CommentMultiline, Pop(1)},
-			{`[+/]`, CommentMultiline, nil},
-		},
-	},
-))