feat: Add "coder" CLI (#221)

* feat: Add "coder" CLI

* Add CLI test for login

* Add "bin/coder" target to Makefile

* Update promptui to fix race

* Fix error scope

* Don't run CLI tests on Windows

* Fix requested changes

cli/projects.go

@@ -0,0 +1,30 @@
+package cli
+
+import (
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+)
+
+func projects() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:  "projects",
+		Long: "Testing something",
+		Example: `
+  - Create a project for developers to create workspaces
+
+    ` + color.New(color.FgHiMagenta).Sprint("$ coder projects create") + `
+
+  - Make changes to your project, and plan the changes
+ 
+    ` + color.New(color.FgHiMagenta).Sprint("$ coder projects plan <name>") + `
+
+  - Update the project. Your developers can update their workspaces
+
+    ` + color.New(color.FgHiMagenta).Sprint("$ coder projects update <name>"),
+	}
+	cmd.AddCommand(projectCreate())
+	cmd.AddCommand(projectPlan())
+	cmd.AddCommand(projectUpdate())
+
+	return cmd
+}