Add packaging and release automation

vendor/github.com/alecthomas/chroma/v2/formatters/json.go

@@ -0,0 +1,39 @@
+package formatters
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+
+	"github.com/alecthomas/chroma/v2"
+)
+
+// JSON formatter outputs the raw token structures as JSON.
+var JSON = Register("json", chroma.FormatterFunc(func(w io.Writer, s *chroma.Style, it chroma.Iterator) error {
+	if _, err := fmt.Fprintln(w, "["); err != nil {
+		return err
+	}
+	i := 0
+	for t := it(); t != chroma.EOF; t = it() {
+		if i > 0 {
+			if _, err := fmt.Fprintln(w, ","); err != nil {
+				return err
+			}
+		}
+		i++
+		bytes, err := json.Marshal(t)
+		if err != nil {
+			return err
+		}
+		if _, err := fmt.Fprint(w, "  "+string(bytes)); err != nil {
+			return err
+		}
+	}
+	if _, err := fmt.Fprintln(w); err != nil {
+		return err
+	}
+	if _, err := fmt.Fprintln(w, "]"); err != nil {
+		return err
+	}
+	return nil
+}))