Adds Go install method for CLI

[rachfop]

Adds Go install method for CLI

Users from all platforms can use this method to install the CLI.

Type

• Bug Fix
• Feature
• Plugin

Are all requirements met?

• Code completed
• Smoke tested
• Unit tests added
• Code documentation added
• Any pending items have an associated Issue

Complete description

I added a new method to install the CLI.
This uses Go to install directly to the GoPath.

Tracking Issue

https://github.com/flyteorg/flyte/issues/

Follow-up issue

NA
OR
https://github.com/flyteorg/flyte/issues/

[kumare3]

this does not seem to work for me

[rachfop]

This PR was submitted October 3, for v0.6.46

@kumare3 Looks like the monorepo migration (v0.7.6) broke the Go install method.

go install github.com/flyteorg/flytectl@v0.7.5
go: downloading github.com/flyteorg/flytectl v0.7.5

go install github.com/flyteorg/flytectl@v0.7.6
go: github.com/flyteorg/flytectl@v0.7.6 (in github.com/flyteorg/flytectl@v0.7.6):
	The go.mod file for the module providing named packages contains one or
	more replace directives. It must not contain directives that would cause
	it to be interpreted differently than if it were the main module.