Add styling for TextView

internal/theme/default/style.go

@@ -106,6 +106,22 @@ var rules = []dataTheme.Rule {
 		),
 	},
 
+	// *.TextView[*]
+	dataTheme.Rule {
+		Role: theme.R("", "TextView", ""),
+		Default: dataTheme.AS (
+			dataTheme.AttrBorder {
+				outline,
+				tomo.Border {
+					Width: tomo.I(1, 0, 0, 1),
+					Color: borderColorEngraved,
+				},
+			},
+			dataTheme.AttrColor { Color: theme.ColorSunken },
+			dataTheme.AttrPadding(tomo.I(8)),
+		),
+	},
+	
 	// *.NumberInput[*]
 	dataTheme.Rule {
 		Role: theme.R("", "NumberInput", ""),