Rename default agent to "main" instead of "dev" (#3150)

Resolves #3143

examples/templates/aws-linux/main.tf

@@ -72,7 +72,7 @@ data "aws_ami" "ubuntu" {
   owners = ["099720109477"] # Canonical
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   arch = "amd64"
   auth = "aws-instance-identity"
   os   = "linux"

examples/templates/aws-windows/main.tf

@@ -69,7 +69,7 @@ data "aws_ami" "windows" {
   }
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   arch = "amd64"
   auth = "aws-instance-identity"
   os   = "windows"

examples/templates/do-linux/main.tf

@@ -93,7 +93,7 @@ provider "digitalocean" {
 
 data "coder_workspace" "me" {}
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   os   = "linux"
   arch = "amd64"
 }

examples/templates/docker-code-server/main.tf

@@ -35,7 +35,7 @@ provider "docker" {
 data "coder_workspace" "me" {
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   arch           = var.docker_arch
   os             = "linux"
   startup_script = "code-server --auth none"

examples/templates/docker-image-builds/main.tf

@@ -60,7 +60,7 @@ provider "coder" {
 data "coder_workspace" "me" {
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   arch = var.step2_arch
   os   = "linux"
 }

examples/templates/docker-with-dotfiles/README.md

@@ -1,6 +1,6 @@
 ---
 name: Develop in Docker with a dotfiles URL
-description: Run workspaces on a Docker host using registry images 
+description: Run workspaces on a Docker host using registry images
 tags: [local, docker]
 ---
 
@@ -10,7 +10,7 @@ This is an example for deploying workspaces with a prompt for the users' dotfile
 
 ## Getting started
 
-Run `coder templates init` and select this template. Follow the instructions that appear. 
+Run `coder templates init` and select this template. Follow the instructions that appear.
 
 ## How it works
 
@@ -27,7 +27,7 @@ variable "dotfiles_uri" {
   default = ""
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   ...
   startup_script = var.dotfiles_uri != "" ? "/tmp/tmp.coder*/coder dotfiles -y ${var.dotfiles_uri}" : null
 }

examples/templates/docker-with-dotfiles/main.tf

@@ -37,7 +37,7 @@ variable "dotfiles_uri" {
   default     = ""
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   arch           = "amd64"
   os             = "linux"
   startup_script = var.dotfiles_uri != "" ? "coder dotfiles -y ${var.dotfiles_uri}" : null

examples/templates/docker/main.tf

@@ -65,7 +65,7 @@ provider "coder" {
 data "coder_workspace" "me" {
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   arch           = var.step2_arch
   os             = "linux"
   startup_script = <<EOF

examples/templates/gcp-linux/main.tf

@@ -45,7 +45,7 @@ resource "google_compute_disk" "root" {
   }
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   auth = "google-instance-identity"
   arch = "amd64"
   os   = "linux"

examples/templates/gcp-vm-container/main.tf

@@ -35,7 +35,7 @@ data "google_compute_default_service_account" "default" {
 data "coder_workspace" "me" {
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   auth = "google-instance-identity"
   arch = "amd64"
   os   = "linux"

examples/templates/gcp-windows/main.tf

@@ -45,7 +45,7 @@ resource "google_compute_disk" "root" {
   }
 }
 
-resource "coder_agent" "dev" {
+resource "coder_agent" "main" {
   auth = "google-instance-identity"
   arch = "amd64"
   os   = "windows"