feat(jetbrains-gateway): add slug variable (#322)

jetbrains-gateway/README.md

@@ -14,7 +14,7 @@ This module adds a JetBrains Gateway Button to open any workspace with a single
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.20"
+  version        = "1.0.21"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"
@@ -32,7 +32,7 @@ module "jetbrains_gateway" {
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.20"
+  version        = "1.0.21"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"
@@ -46,7 +46,7 @@ module "jetbrains_gateway" {
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.20"
+  version        = "1.0.21"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"
@@ -61,7 +61,7 @@ module "jetbrains_gateway" {
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.20"
+  version        = "1.0.21"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"

jetbrains-gateway/main.tf

@@ -18,6 +18,12 @@ variable "agent_id" {
   description = "The ID of a Coder agent."
 }
 
+variable "slug" {
+  type        = string
+  description = "The slug for the coder_app. Allows resuing the module with the same template."
+  default     = "gateway"
+}
+
 variable "agent_name" {
   type        = string
   description = "Agent name."
@@ -247,7 +253,7 @@ data "coder_workspace_owner" "me" {}
 
 resource "coder_app" "gateway" {
   agent_id     = var.agent_id
-  slug         = "gateway"
+  slug         = var.slug
   display_name = local.display_name
   icon         = local.icon
   external     = true