refactor: expose generated code and client business logic to share with Kapacitor (#103)

* refactor: take clients out of internal

* refactor: move stdio to pkg

* Move internal/api to api

* refactor: final changes for Kapacitor to access shared functionality

* chore: regenerate mocks

* fix: bad automated refactor

* chore: extra formatting not caught by make fmt

cmd/influx/task.go

@@ -1,7 +1,8 @@
 package main
 
 import (
-	"github.com/influxdata/influx-cli/v2/internal/cmd/task"
+	"github.com/influxdata/influx-cli/v2/clients"
+	"github.com/influxdata/influx-cli/v2/clients/task"
 	"github.com/influxdata/influx-cli/v2/pkg/cli/middleware"
 	"github.com/urfave/cli/v2"
 )
@@ -44,7 +45,7 @@ func newTaskCreateCmd() *cli.Command {
 				TasksApi: api.TasksApi,
 			}
 			var err error
-			params.FluxQuery, err = readQuery(ctx)
+			params.FluxQuery, err = clients.ReadQuery(ctx)
 			if err != nil {
 				return err
 			}