bubblewrap init returns command not found

**Describe the bug**
Running `bubblewrap init --manifest=http://localhost:8000/static/manifest.webmanifest` results in `-bash: bubblewrap: command not found`

**To Reproduce**
Steps to reproduce the behavior:
1. `npm i -g @bubblewrap/cli`
results in
```
changed 324 packages, and audited 325 packages in 25s
...
found 0 vulnerabilities
```
2. `bubblewrap init --manifest=http://localhost:8000/static/manifest.webmanifest` (or manifest.json. index.html is in /static)
3. See error `-bash: bubblewrap: command not found`

**Expected behavior**
Expecting Bubblewrap to start after init command

**Desktop (please complete the following information):**
- OS: macOS 11.6.2

**Additional context**

- node v17.6.0
- npm 8.5.1
- java v17
- jdk v11