fix: fix paths for public docs

Merge #3572

**Please ensure you have read the [contribution guide](https://github.com/google/adk-python/blob/main/CONTRIBUTING.md) before creating a pull request.**

### Link to Issue or Description of Change

**1. Link to an existing issue (if applicable):**

N/A

**2. Or, if no issue exists, describe the change:**

**Problem:**
Docs fix

### Checklist

- [ ] I have read the [CONTRIBUTING.md](https://github.com/google/adk-python/blob/main/CONTRIBUTING.md) document.
- [ ] I have performed a self-review of my own code.
- [ ] I have commented my code, particularly in hard-to-understand areas.
- [ ] I have added tests that prove my fix is effective or that my feature works.
- [ ] New and existing unit tests pass locally with my changes.
- [ ] I have manually tested my changes end-to-end.
- [ ] Any dependent changes have been merged and published in downstream modules.

Co-authored-by: Hangfei Lin <[email protected]>
COPYBARA_INTEGRATE_REVIEW=#3572 from issacg:patch-1 b7c7ed4
PiperOrigin-RevId: 834864431

Author: 2 people

contributing/samples/computer_use/README.md

@@ -19,7 +19,7 @@ The computer use agent consists of:
 Install the required Python packages from the requirements file:
 
 ```bash
-uv pip install -r internal/samples/computer_use/requirements.txt
+uv pip install -r contributing/samples/computer_use/requirements.txt
 ```
 
 ### 2. Install Playwright Dependencies
@@ -45,7 +45,7 @@ playwright install chromium
 To start the computer use agent, run the following command from the project root:
 
 ```bash
-adk web internal/samples
+adk web contributing/samples
 ```
 
 This will start the ADK web interface where you can interact with the computer_use agent.