ensure that the guest auth config schema is present

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

.changeset/kind-shrimps-yell.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend-module-guest-provider': patch
+---
+
+Ensure that the config schema is present

docs/auth/guest/provider.md

@@ -25,17 +25,19 @@ This will only work with the new backend system. There is no support for this in
 
 Add the `@backstage/plugin-auth-backend-module-guest-provider` to your backend installation.
 
-```
+```sh
+# From your Backstage root directory
 yarn --cwd packages/backend add @backstage/plugin-auth-backend-module-guest-provider
 ```
 
-Then, add it to your backend's `index.ts` file,
+Then, add it to your backend's source,
 
-```diff
+```ts title="packages/backend/src/index.ts"
 const backend = createBackend();
 
-backend.add('@backstage/plugin-auth-backend');
-+backend.add('@backstage/plugin-auth-backend-module-guest-provider');
+backend.add(import('@backstage/plugin-auth-backend'));
+// highlight-add-next-line
+backend.add(import('@backstage/plugin-auth-backend-module-guest-provider'));
 
 await backend.start();
 ```
@@ -44,10 +46,11 @@ await backend.start();
 
 Add the following to your `SignInPage` providers,
 
-```diff
+```ts
 const providers = [
-+  'guest',
-   ...
+  // highlight-add-next-line
+  'guest',
+  ...
 ]
 ```
 
@@ -55,8 +58,9 @@ const providers = [
 
 Similar to the other authentication providers, you have to enable the provider in config. Add the following to your `app-config.local.yaml`,
 
-```diff
+```yaml title="app-config.local.yaml"
 auth:
-    providers:
-+       guest: {}
+  providers:
+    # highlight-add-next-line
+    guest: {}
 ```

plugins/auth-backend-module-guest-provider/package.json

@@ -1,10 +1,10 @@
 {
   "name": "@backstage/plugin-auth-backend-module-guest-provider",
-  "description": "The guest-provider backend module for the auth plugin.",
   "version": "0.1.0-next.0",
-  "main": "src/index.ts",
-  "types": "src/index.ts",
-  "license": "Apache-2.0",
+  "description": "The guest-provider backend module for the auth plugin.",
+  "backstage": {
+    "role": "backend-plugin-module"
+  },
   "publishConfig": {
     "access": "public",
     "main": "dist/index.cjs.js",
@@ -15,17 +15,21 @@
     "url": "https://github.com/backstage/backstage",
     "directory": "plugins/auth-backend-module-guest-provider"
   },
-  "backstage": {
-    "role": "backend-plugin-module"
-  },
+  "license": "Apache-2.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "files": [
+    "dist",
+    "config.d.ts"
+  ],
   "scripts": {
-    "start": "backstage-cli package start",
     "build": "backstage-cli package build",
-    "lint": "backstage-cli package lint",
-    "test": "backstage-cli package test",
     "clean": "backstage-cli package clean",
+    "lint": "backstage-cli package lint",
     "prepack": "backstage-cli package prepack",
-    "postpack": "backstage-cli package postpack"
+    "postpack": "backstage-cli package postpack",
+    "start": "backstage-cli package start",
+    "test": "backstage-cli package test"
   },
   "dependencies": {
     "@backstage/backend-common": "workspace:^",
@@ -41,7 +45,5 @@
     "@backstage/config": "workspace:^",
     "express": "^4.18.2"
   },
-  "files": [
-    "dist"
-  ]
+  "configSchema": "config.d.ts"
 }