DEV 953: Add basic maps support to CLI (#74)

* remove squad support and switch to using pipelines only in RulesBuilder

* remove spawn_food.standard from legacy ruleset definitions

* bugfix: Royale map generates Standard food

* add maps support to CLI

* add automated tests for all registered GameMap implementations

* update README

cli/commands/root.go

@@ -2,9 +2,10 @@ package commands
 
 import (
 	"fmt"
-	"github.com/spf13/cobra"
 	"os"
 
+	"github.com/spf13/cobra"
+
 	homedir "github.com/mitchellh/go-homedir"
 	"github.com/spf13/viper"
 )
@@ -18,6 +19,8 @@ var rootCmd = &cobra.Command{
 }
 
 func Execute() {
+	rootCmd.AddCommand(NewPlayCommand())
+
 	if err := rootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)