fix(qenv): replace smartfile-based config loading with native fs and yaml parsing for env files

ts/qenv.classes.configvaultadapter.ts

@@ -1,13 +1,13 @@
 import * as plugins from './qenv.plugins.js';
 
 export class CloudlyAdapter {
-  public configVaultUrl: string;
+  public configVaultUrl?: string;
   
   constructor(configVaultUrl?: string) {
     this.configVaultUrl = configVaultUrl;
   }
 
-  public async getConfigBundle(): Promise<plugins.configvaultInterfaces.data.IConfigBundle> {
+  public async getConfigBundle(): Promise<plugins.configvaultInterfaces.data.IEnvBundle | null> {
     if (this.configVaultUrl) {
       console.log(`ConfigVault specified through constructor`)
     } else if (process.env['CONFIGVAULT_URL']) {
@@ -26,5 +26,6 @@ export class CloudlyAdapter {
     const response = await tr.fire({
       authorization: parsedUrl.pathname.replace('/', ''),
     })
+    return response.envBundle;
   }
 }