Alt text is not descriptive [../interactions files]

**Describe the content issue**:
Images listed below do not have descriptive/informative alt text. For markdown the alt text is located between the square brackets, ``.

The list below isn't exhaustive since I found these images based on the word count for the alt text, but it should be a good starting point to make our alt text better for people who use screen readers.

Some resources to help write alt text:
- https://webaim.org/techniques/alttext/
- https://www.a11yproject.com/posts/are-you-making-these-five-mistakes-when-writing-alt-text/

https://github.com/aws-amplify/docs/blob/main/src/fragments/lib/interactions/js/getting-started.mdx:
```
16
17: 
18

104
105: 
106
```

https://github.com/aws-amplify/docs/blob/main/src/fragments/lib-v1/interactions/js/getting-started.mdx:
```
49
50: 
51

77
78: 
79
```