refactor(config): load JSON configs and emit JSON-only PCA output

src/graph/app.js

@@ -2,22 +2,22 @@
  * Get an Azure application by its display name.
  *
  * @param { Object } client 
- * @param { string } appName 
+ * @param { string } displayName 
  * @returns 
  */
-export async function getApp(client, appName) {
+export async function getApp(client, displayName) {
   const result = await client
     .api("/applications")
-    .filter(`displayName eq '${appName}'`)
+    .filter(`displayName eq '${displayName}'`)
     .get();
 
   // Return the first application found or null if none exists
   return result.value.length > 0 ? result.value[0] : null;
 }
 
-export async function createApp(client, appName) {
+export async function createApp(client, displayName) {
   const app = await client.api("/applications").post({
-    displayName: appName,
+    displayName,
   });
 
   if (!app || !app.appId) {