[OGUI-1776] Create command for getting a token

.github/workflows/grpc-wrapper.yml

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+name: Grpc Wrapper
+
+on:
+  pull_request:
+    branches: ["**"]
+    paths:
+      - "Tokenization/backend/wrapper/**"
+      - ".github/workflows/grpc-wrapper.yml"
+
+concurrency:
+  group: wrapper-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        working-directory: Tokenization/backend/wrapper
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22.x"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run Jest
+        run: npm run test

Tokenization/backend/wrapper/.gitignore

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+dist/
+node_modules/
+run_tests/

Tokenization/backend/wrapper/jest.config.ts

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+import type { Config } from "jest";
+
+const config: Config = {
+  preset: "ts-jest",
+  testEnvironment: "node",
+  testMatch: ["**/test/**/*.test.ts"],
+  moduleFileExtensions: ["ts", "js", "json"],
+  moduleNameMapper: {
+    "^@/(.*)$": "<rootDir>/src/$1",
+  },
+};
+
+export default config;

Tokenization/backend/wrapper/models/config.model.ts

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+/**
+ * @license
+ * Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+ * See http://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+ * All rights not expressly granted are reserved.
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+ *
+ * In applying this license CERN does not waive the privileges and immunities
+ * granted to it by virtue of its status as an Intergovernmental Organization
+ * or submit itself to any jurisdiction.
+ */
+
+export interface CentralSystemConfig {
+  /** Path to the proto file defining the services. */
+  protoPath: string;
+  /** Host/IP to bind the gRPC server on. Defaults to "0.0.0.0" which is docker-friendly. */
+  host?: string;
+  /** Port to bind. Defaults to 50051. */
+  port?: number;
+}
+
+export interface gRPCWrapperConfig {
+  /** Path to the proto file defining the services. */
+  protoPath: string;
+  /** Address of the CentralSystem server. */
+  centralAddress: string;
+}