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/charmbracelet/glamour/ansi/task.go

@@ -0,0 +1,26 @@
+package ansi
+
+import (
+	"io"
+)
+
+// A TaskElement is used to render tasks inside a todo-list.
+type TaskElement struct {
+	Checked bool
+}
+
+func (e *TaskElement) Render(w io.Writer, ctx RenderContext) error {
+	var el *BaseElement
+
+	pre := ctx.options.Styles.Task.Unticked
+	if e.Checked {
+		pre = ctx.options.Styles.Task.Ticked
+	}
+
+	el = &BaseElement{
+		Prefix: pre,
+		Style:  ctx.options.Styles.Task.StylePrimitive,
+	}
+
+	return el.Render(w, ctx)
+}