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/s/smarty.go

@@ -0,0 +1,40 @@
+package s
+
+import (
+	. "github.com/alecthomas/chroma"                 // nolint
+	. "github.com/alecthomas/chroma/lexers/circular" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Smarty lexer.
+var Smarty = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "Smarty",
+		Aliases:   []string{"smarty"},
+		Filenames: []string{"*.tpl"},
+		MimeTypes: []string{"application/x-smarty"},
+		DotAll:    true,
+	},
+	Rules{
+		"root": {
+			{`[^{]+`, Other, nil},
+			{`(\{)(\*.*?\*)(\})`, ByGroups(CommentPreproc, Comment, CommentPreproc), nil},
+			{`(\{php\})(.*?)(\{/php\})`, ByGroups(CommentPreproc, Using(PHP), CommentPreproc), nil},
+			{`(\{)(/?[a-zA-Z_]\w*)(\s*)`, ByGroups(CommentPreproc, NameFunction, Text), Push("smarty")},
+			{`\{`, CommentPreproc, Push("smarty")},
+		},
+		"smarty": {
+			{`\s+`, Text, nil},
+			{`\{`, CommentPreproc, Push()},
+			{`\}`, CommentPreproc, Pop(1)},
+			{`#[a-zA-Z_]\w*#`, NameVariable, nil},
+			{`\$[a-zA-Z_]\w*(\.\w+)*`, NameVariable, nil},
+			{`[~!%^&*()+=|\[\]:;,.<>/?@-]`, Operator, nil},
+			{`(true|false|null)\b`, KeywordConstant, nil},
+			{`[0-9](\.[0-9]*)?(eE[+-][0-9])?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
+			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
+			{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
+			{`[a-zA-Z_]\w*`, NameAttribute, nil},
+		},
+	},
+))