[#1223] lens/tui: Add metabase schema

Signed-off-by: Aleksey Savchuk <a.savchuk@yadro.com>

cmd/frostfs-lens/internal/schema/common/format.go

@@ -0,0 +1,43 @@
+package common
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/gdamore/tcell/v2"
+)
+
+type FormatOptions struct {
+	Color tcell.Color
+
+	Bold,
+	Italic,
+	Underline,
+	StrikeThrough bool
+}
+
+func Format(s string, opts FormatOptions) string {
+	var boldTag, italicTag, underlineTag, strikeThroughTag string
+
+	switch {
+	case opts.Bold:
+		boldTag = "b"
+	case opts.Italic:
+		italicTag = "i"
+	case opts.Underline:
+		underlineTag = "u"
+	case opts.StrikeThrough:
+		strikeThroughTag = "s"
+	}
+
+	attrs := fmt.Sprintf(
+		"%s%s%s%s", boldTag, italicTag, underlineTag, strikeThroughTag,
+	)
+	color := strconv.FormatInt(int64(opts.Color.Hex()), 16)
+
+	return fmt.Sprintf("[#%06s::%s]%s[-::-]", color, attrs, s)
+}
+
+func FormatSimple(s string, c tcell.Color) string {
+	return Format(s, FormatOptions{Color: c})
+}