feat: Add bucket schema management commands (#52)

* feat: update generated client to include schema-management APIs
* feat: implement interfaces to decode flags and CSV
* feat: implement decoders for different measurement schema column formats
* feat: extend bucket CLI commands to support schema type property
* feat: add CLI commands to manage measurement schema
* test: add unit tests for bucket schema create, update and list commands

internal/cmd/bucket_schema/json.go

@@ -0,0 +1,17 @@
+package bucket_schema
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+
+	"github.com/influxdata/influx-cli/v2/internal/api"
+)
+
+func decodeJson(r io.Reader) ([]api.MeasurementSchemaColumn, error) {
+	var rows []api.MeasurementSchemaColumn
+	if err := json.NewDecoder(r).Decode(&rows); err != nil {
+		return nil, fmt.Errorf("error decoding JSON: %w", err)
+	}
+	return rows, nil
+}