feat: support table render

examples/table/main.go

@@ -0,0 +1,79 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/vicanso/go-charts/v2"
+)
+
+func writeFile(buf []byte) error {
+	tmpPath := "./tmp"
+	err := os.MkdirAll(tmpPath, 0700)
+	if err != nil {
+		return err
+	}
+
+	file := filepath.Join(tmpPath, "table.png")
+	err = ioutil.WriteFile(file, buf, 0600)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func main() {
+	p, err := charts.TableRender(charts.TableChartOption{
+		Header: []string{
+			"Name",
+			"Age",
+			"Address",
+			"Tag",
+			"Action",
+		},
+		Spans: []int{
+			1,
+			1,
+			2,
+			1,
+			1,
+		},
+		Data: [][]string{
+			{
+				"John Brown",
+				"32",
+				"New York No. 1 Lake Park",
+				"nice, developer",
+				"Send Mail",
+			},
+			{
+				"Jim Green	",
+				"42",
+				"London No. 1 Lake Park",
+				"wow",
+				"Send Mail",
+			},
+			{
+				"Joe Black	",
+				"32",
+				"Sidney No. 1 Lake Park",
+				"cool, teacher",
+				"Send Mail",
+			},
+		},
+	},
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	buf, err := p.Bytes()
+	if err != nil {
+		panic(err)
+	}
+	err = writeFile(buf)
+	if err != nil {
+		panic(err)
+	}
+}