Improve README (#17)

* Add helper tag

* Fix source reference

* Add icons

* Update code-server README

* Update README for contributing

* Update README

* Improve readme

* Fix code-server without extensions

code-server/README.md

@@ -1,16 +1,15 @@
 ---
 display_name: code-server
 description: VS Code in the browser
-icon: ../icons/code.svg
+icon: ../.icons/code.svg
 maintainer_github: coder
 verified: true
-tags: [helper]
+tags: [helper, ide]
 ---
 
 # code-server
 
-Run [VS Code](https://github.com/Microsoft/vscode) on any machine anywhere and
-access it in the browser.
+Automatically install [code-server](https://github.com/coder/code-server) in a workspace, create an app to access it via the dashboard, install extensions, and pre-configure editor settings.
 
 ![Screenshot 1](https://github.com/coder/code-server/raw/main/docs/assets/screenshot-1.png?raw=true)
 ![Screenshot 2](https://github.com/coder/code-server/raw/main/docs/assets/screenshot-2.png?raw=true)
@@ -24,24 +23,24 @@ access it in the browser.
 
 ## Examples
 
-### Extensions
+### Pre-install Extensions
 
-Automatically install extensions from [OpenVSX](https://open-vsx.org/):
+Install the Dracula theme from [OpenVSX](https://open-vsx.org/):
 
 ```hcl
 module "code-server" {
     source = "https://registry.coder.com/modules/code-server"
     extensions = [
-        "
+        "dracula-theme.theme-dracula"
     ]
 }
 ```
 
 Enter the `<author>.<name>` into the extensions array and code-server will automatically install on start.
 
-### Settings
+### Pre-configure Settings
 
-Pre-configure code-server with settings:
+Configure VS Code's [settings.json](https://code.visualstudio.com/docs/getstarted/settings#_settingsjson) file:
 
 ```hcl
 module "settings" {

code-server/main.tf

@@ -3,7 +3,7 @@ terraform {
 
   required_providers {
     coder = {
-      source  = "terraform.local/coder/coder"
+      source  = "coder/coder"
       version = ">= 0.12"
     }
   }

code-server/run.sh

@@ -17,6 +17,9 @@ CODE_SERVER="${INSTALL_PREFIX}/bin/code-server"
 
 # Install each extension...
 for extension in "$${EXTENSIONS[@]}"; do
+  if [ -z "$extension" ]; then
+    continue
+  fi
   printf "🧩 Installing extension $${CODE}$extension$${RESET}...\n"
   output=$($CODE_SERVER --install-extension "$extension")
   if [ $? -ne 0 ]; then