Added openapi generator

src/app/services/api/provide-api.ts

@@ -0,0 +1,15 @@
+import { EnvironmentProviders, makeEnvironmentProviders } from "@angular/core";
+import { Configuration, ConfigurationParameters } from './configuration';
+import { BASE_PATH } from './variables';
+
+// Returns the service class providers, to be used in the [ApplicationConfig](https://angular.dev/api/core/ApplicationConfig).
+export function provideApi(configOrBasePath: string | ConfigurationParameters): EnvironmentProviders {
+    return makeEnvironmentProviders([
+        typeof configOrBasePath === "string"
+            ? { provide: BASE_PATH, useValue: configOrBasePath }
+            : {
+                provide: Configuration,
+                useValue: new Configuration({ ...configOrBasePath }),
+            },
+    ]);
+}