Fix inconsistent reference to the app config file

modules/authorization/proc-defining-authorizations-in-external-files-by-using-the-operator.adoc

@@ -90,7 +90,7 @@ spec:
         - name: rbac-policies
 ----
 
-. Update your {product-short} `app-config.yaml` configuration file to use the `rbac-policies.csv` and `rbac-conditional-policies.yaml` external files:
+. Update your {product-short} {my-app-config-file} configuration file to use the `rbac-policies.csv` and `rbac-conditional-policies.yaml` external files:
 +
 .`app-config.yml` fragment
 [source,yaml]

modules/customizing-templates/proc-adding-templates.adoc

@@ -15,7 +15,7 @@ You can add an existing template to your {product} instance by using the Catalog
 
 .Procedure
 
-* In the `app-config.yaml` configuration file, modify the `catalog.rules` section to include a rule for templates, and configure the `catalog.locations` section to point to the template that you want to add, as shown in the following example:
+* In the {my-app-config-file} configuration file, modify the `catalog.rules` section to include a rule for templates, and configure the `catalog.locations` section to point to the template that you want to add, as shown in the following example:
 +
 [source,yaml]
 ----

modules/customizing-the-home-page/proc-defining-the-layout-of-the-product-home-page.adoc

@@ -12,7 +12,7 @@
 ** position (x and y)
 
 .Procedure
-* Configure your {product-short} `app-config.yaml` configuration file by choosing one of the following options:
+* Configure your {product-short} {my-app-config-file} configuration file by choosing one of the following options:
 ** Use the full space on smaller windows and half of the space on larger windows as follows:
 
 [source,yaml]

modules/customizing-the-quick-access-card/proc-using-hosted-json-files-to-provide-data-to-the-quick-access-card.adoc

@@ -13,9 +13,9 @@ See xref:{installing-on-ocp-book-url}#assembly-install-rhdh-ocp[{installing-on-o
 
 .Procedure
 
-* To access the data from the JSON files, add the following code to the {product-short} `app-config.yaml` configuration file:
+* To access the data from the JSON files, add the following code to the {product-short} {my-app-config-file} configuration file:
 
-* Add the following code to the `app-config.yaml` file:
+* Add the following code to the {my-app-config-file} file:
 +
 [source,yaml]
 ----

modules/customizing-the-tech-radar-page/proc-customize-rhdh-tech-radar-page.adoc

@@ -3,7 +3,7 @@
 
 In {product}, the Tech Radar page is provided by the `tech-radar` dynamic plugin, which is disabled by default. For information about enabling dynamic plugins in {product} see link:{LinkPluginsGuide}[Configuring plugins in {product}].
 
-In {product}, you can configure Learning Paths by passing the data into the `app-config.yaml` file as a proxy. The base Tech Radar URL must include the `/developer-hub/tech-radar` proxy.
+In {product}, you can configure Learning Paths by passing the data into the {my-app-config-file} file as a proxy. The base Tech Radar URL must include the `/developer-hub/tech-radar` proxy.
 
 [NOTE]
 ====
@@ -22,14 +22,14 @@ You can provide data to the Tech Radar page from the following sources:
 .Prerequisites
 
 * You have installed {product} by using either the Operator or Helm chart. For more information, see link:{installing-on-ocp-book-url}[{installing-on-ocp-book-title}].
-* You have specified the data sources for the Tech Radar plugin in the `integrations` section of the `app-config.yaml` file. For example, to configure GitHub as an integration, see link:{authentication-book-url}#authenticating-with-github[Authenticating with GitHub].
+* You have specified the data sources for the Tech Radar plugin in the `integrations` section of the {my-app-config-file} file. For example, to configure GitHub as an integration, see link:{authentication-book-url}#authenticating-with-github[Authenticating with GitHub].
 
 .Procedure
 
 To access the data from the JSON files, complete the following step:
 
 . Enable the `./dynamic-plugins/dist/backstage-community-plugin-tech-radar` and `/dynamic-plugins/dist/backstage-community-plugin-tech-radar-backend-dynamic` plugins.
-. Add the following code to the `app-config.yaml` file:
+. Add the following code to the {my-app-config-file} file:
 +
 [source,yaml]
 ----
@@ -55,7 +55,7 @@ For more information, see xref:{installing-on-ocp-book-url}#assembly-install-rhd
 
 To use a separate service to provide the Tech Radar data, complete the following steps:
 
-. Add the dedicated service as an allowed host by adding the following code to the `app-config.yaml` file:
+. Add the dedicated service as an allowed host by adding the following code to the {my-app-config-file} file:
 +
 [source,yaml]
 ----
@@ -64,7 +64,7 @@ backend:
         allow:     
           - host: 'hostname'
 ----
-. Add the following to the `app-config.yaml` file:
+. Add the following to the {my-app-config-file} file:
 +
 [source,yaml]
 ----

modules/dynamic-plugins/proc-export-third-party-plugins-rhdh.adoc

@@ -62,7 +62,7 @@ The following is an example of default `scalprum` configuration:
 "scalprum": {
   "name": "<package_name>",  // The Webpack container name matches the NPM package name, with "@" replaced by "." and "/" removed.
   "exposedModules": {
-    "PluginRoot": "./src/index.ts"  // The default module name is "PluginRoot" and doesn't need explicit specification in the app-config.yaml file.
+    "PluginRoot": "./src/index.ts"  // The default module name is "PluginRoot" and doesn't need explicit specification in the {my-app-config-file} file.
   }
 }
 ----