feat: migrate from electron-webpack to electron-forge

Electron upgrade : 10.1.3 => 13.1.7
Angular upgrade : 10.1.3 => 12.1.2

workspaces/electron-app/main/services/abstract-service.ts

@@ -0,0 +1,13 @@
+export class AbstractService {
+  receptionChannel(): string {
+    throw new Error('Method not implemented.');
+  }
+
+  sendingChannel(): string {
+    throw new Error('Method not implemented.');
+  }
+
+  process(...args: any): any {
+    throw new Error('Method not implemented.');
+  }
+}

workspaces/electron-app/main/services/multiples-service.ts

@@ -0,0 +1,21 @@
+import { WindowApiConst } from "shared-lib";
+import { AbstractService } from "./abstract-service";
+
+export class MultiplesService extends AbstractService {
+  receptionChannel(): string {
+    return WindowApiConst.MULTIPLES_INPUT;
+  }
+
+  sendingChannel(): string {
+    return WindowApiConst.MULTIPLES_OUTPUT;
+  }
+
+  process(...args: any): any {
+    // From 1 to 10, return input multiples
+    const multiples = [];
+    for (let n = 1; n <= 10; n++) {
+      multiples.push(n * args[0]);
+    }
+    return multiples;
+  }
+}