Use glamour and termev to render/colorize content (#181)

Merge branch 'master' into use-glamour

select Glamour Theme based on BackgroundColor

Merge branch 'master' into use-glamour

Merge branch 'master' into use-glamour

update termev

update go.mod

label color colorate

use glamour for issue content

Vendor: Add glamour

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/181
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>

vendor/github.com/alecthomas/chroma/lexers/t/terminfo.go

@@ -0,0 +1,42 @@
+package t
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Terminfo lexer.
+var Terminfo = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "Terminfo",
+		Aliases:   []string{"terminfo"},
+		Filenames: []string{"terminfo", "terminfo.src"},
+		MimeTypes: []string{},
+	},
+	Rules{
+		"root": {
+			{`^#.*$`, Comment, nil},
+			{`^[^\s#,|]+`, NameTag, Push("names")},
+		},
+		"names": {
+			{`\n`, Text, Pop(1)},
+			{`(,)([ \t]*)`, ByGroups(Punctuation, Text), Push("defs")},
+			{`\|`, Punctuation, nil},
+			{`[^,|]+`, NameAttribute, nil},
+		},
+		"defs": {
+			{`\n[ \t]+`, Text, nil},
+			{`\n`, Text, Pop(2)},
+			{`(#)([0-9]+)`, ByGroups(Operator, LiteralNumber), nil},
+			{`=`, Operator, Push("data")},
+			{`(,)([ \t]*)`, ByGroups(Punctuation, Text), nil},
+			{`[^\s,=#]+`, NameClass, nil},
+		},
+		"data": {
+			{`\\[,\\]`, Literal, nil},
+			{`(,)([ \t]*)`, ByGroups(Punctuation, Text), Pop(1)},
+			{`[^\\,]+`, Literal, nil},
+			{`.`, Literal, nil},
+		},
+	},
+))