Merge pull request #440 from microsoft/psl-bug-22757-docs

docs: Doc change for the local installing requirement from uv instead of requirements.txt

Author: Roopan-Microsoft

docs/DeploymentGuide.md

@@ -370,16 +370,23 @@ The files for the dev container are located in `/.devcontainer/` folder.
 
    - If you are using `venv`, create and activate your virtual environment for both the frontend and backend folders.
 
-8. **Install requirements - frontend:**
+8. **Install requirements - Backend:**
 
-   - In each of the frontend and backend folders -
-     Open a terminal in the `src` folder and run:
+   - To install the requirement for backend -
+     Open a terminal in the `src/backend` folder and run:
      ```bash
-     pip install -r requirements.txt
+     pip install uv
+     uv sync
      ```
      
 9. **Build the frontend (important):**
 
+    - To install the requirement for frontend -
+     Open a terminal in the `src/frontend` folder and run:
+     ```bash
+     pip install -r requirements.txt
+     ```
+
     - Before running the frontend server, you must build the frontend to generate the necessary `build/assets` directory.
 
       From the `src/frontend` directory, run:
@@ -391,7 +398,7 @@ The files for the dev container are located in `/.devcontainer/` folder.
 
 10. **Run the application:**
 
-- From the src/backend directory:
+- From the `src/backend` directory activate the virtual environment created through step 8 and Run:
 
 ```bash
 python app_kernel.py
@@ -403,8 +410,14 @@ python app_kernel.py
  python frontend_server.py
 ```
 
-10. Open a browser and navigate to `http://localhost:3000`
-11. To see swagger API documentation, you can navigate to `http://localhost:8000/docs`
+or Run 
+
+  ```bash
+  npm run dev
+  ```
+
+11. Open a browser and navigate to `http://localhost:3000`
+12. To see swagger API documentation, you can navigate to `http://localhost:8000/docs`
 
 ## Debugging the solution locally