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/styles/solarized-light.go

@@ -0,0 +1,24 @@
+package styles
+
+import (
+	"github.com/alecthomas/chroma"
+)
+
+// SolarizedLight style.
+var SolarizedLight = Register(chroma.MustNewStyle("solarized-light", chroma.StyleEntries{
+	chroma.Text:             "bg: #eee8d5 #586e75",
+	chroma.Keyword:          "#859900",
+	chroma.KeywordConstant:  "bold",
+	chroma.KeywordNamespace: "#dc322f bold",
+	chroma.KeywordType:      "bold",
+	chroma.Name:             "#268bd2",
+	chroma.NameBuiltin:      "#cb4b16",
+	chroma.NameClass:        "#cb4b16",
+	chroma.NameTag:          "bold",
+	chroma.Literal:          "#2aa198",
+	chroma.LiteralNumber:    "bold",
+	chroma.OperatorWord:     "#859900",
+	chroma.Comment:          "#93a1a1 italic",
+	chroma.Generic:          "#d33682",
+	chroma.Background:       " bg:#eee8d5",
+}))