Added create version command

Author: alenon

application/cli/cli.go

@@ -1,6 +1,8 @@
 package cli
 
 import (
+	"github.com/jfrog/jfrog-cli-application/application/commands/system"
+	"github.com/jfrog/jfrog-cli-application/application/commands/version"
 	"github.com/jfrog/jfrog-cli-core/v2/plugins/components"
 )
 
@@ -14,7 +16,10 @@ func GetJfrogApplicationCli() components.App {
 			Name:        "app",
 			Description: "Tools for Application Lifecycle management",
 			Category:    category,
-			Commands:    []components.Command{},
+			Commands: []components.Command{
+				system.GetPingCommand(),
+				version.GetCreateVersionCommand(),
+			},
 		},
 	)
 	return app

application/commands/system/ping_cmd.go

@@ -0,0 +1,30 @@
+package system
+
+import (
+	"github.com/jfrog/jfrog-cli-application/application/common"
+	"github.com/jfrog/jfrog-cli-core/v2/plugins/components"
+)
+
+type pingCommand struct {
+	ctx *components.Context
+}
+
+func (pc *pingCommand) executeCmd(ctx *components.Context) error {
+	return ctx.PrintCommandHelp(ctx.CommandName)
+}
+
+func GetPingCommand() components.Command {
+	return components.Command{
+		Name:        "ping",
+		Description: "Ping the application server",
+		Category:    common.CategorySystem,
+		Aliases:     []string{"p"},
+		Arguments:   []components.Argument{},
+		Flags:       []components.Flag{},
+		EnvVars:     []components.EnvVar{},
+		Action: func(c *components.Context) error {
+			cmd := &pingCommand{ctx: c}
+			return cmd.executeCmd(c)
+		},
+	}
+}

application/commands/version/create_version_cmd.go

@@ -0,0 +1,30 @@
+package version
+
+import (
+	"github.com/jfrog/jfrog-cli-application/application/common"
+	"github.com/jfrog/jfrog-cli-core/v2/plugins/components"
+)
+
+type createVersionCommand struct {
+	ctx *components.Context
+}
+
+func (cv *createVersionCommand) executeCmd(ctx *components.Context) error {
+	return ctx.PrintCommandHelp(ctx.CommandName)
+}
+
+func GetCreateVersionCommand() components.Command {
+	return components.Command{
+		Name:        "create-version",
+		Description: "Create application version",
+		Category:    common.CategoryVersion,
+		Aliases:     []string{"cv"},
+		Arguments:   []components.Argument{},
+		Flags:       []components.Flag{},
+		EnvVars:     []components.EnvVar{},
+		Action: func(c *components.Context) error {
+			cmd := &createVersionCommand{ctx: c}
+			return cmd.executeCmd(c)
+		},
+	}
+}

application/common/categories.go

@@ -0,0 +1,6 @@
+package common
+
+const (
+	CategorySystem  = "system"
+	CategoryVersion = "version"
+)