"npm install snyk-issues-to-html -g" install fails

When I go to take the first step in the readme, the command fails because the package is not found.

npm notice 
npm notice New minor version of npm available! 7.15.1 -> 7.21.1
npm notice Changelog: https://github.com/npm/cli/releases/tag/v7.21.1
npm notice Run npm install -g npm@7.21.1 to update!
npm notice 
npm ERR! code E404
npm ERR! 404 Not Found - GET https://registry.npmjs.org/snyk-issues-to-html - Not found
npm ERR! 404 
npm ERR! 404  'snyk-issues-to-html@*' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404 
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.

npm ERR! A complete log of this run can be found in: (Logfile)```

-- 

Logfile pasted here:
42 verbose stack HttpErrorGeneral: 404 Not Found - GET https://registry.npmjs.org/snyk-issues-to-html - Not found
42 verbose stack     at /usr/local/lib/node_modules/npm/node_modules/npm-registry-fetch/check-response.js:134:15
42 verbose stack     at processTicksAndRejections (node:internal/process/task_queues:96:5)
42 verbose stack     at async Arborist.[nodeFromEdge] (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js:934:19)
42 verbose stack     at async Arborist.[buildDepStep] (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js:880:11)
42 verbose stack     at async Arborist.buildIdealTree (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/build-ideal-tree.js:218:7)
42 verbose stack     at async Arborist.reify (/usr/local/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/reify.js:136:5)
42 verbose stack     at async Install.install (/usr/local/lib/node_modules/npm/lib/install.js:150:5)
43 verbose statusCode 404
44 verbose pkgid snyk-issues-to-html@*
45 verbose cwd /Users/damionwaltermeyer/git
46 verbose Darwin 20.5.0
47 verbose argv "/usr/local/Cellar/node/16.3.0/bin/node" "/usr/local/bin/npm" "install" "snyk-issues-to-html" "-g"
48 verbose node v16.3.0
49 verbose npm  v7.15.1
50 error code E404
51 error 404 Not Found - GET https://registry.npmjs.org/snyk-issues-to-html - Not found
52 error 404
53 error 404 'snyk-issues-to-html@*' is not in the npm registry.
54 error 404 You should bug the author to publish it (or use the name yourself!)
55 error 404 Note that you can also install from a
56 error 404 tarball, folder, http url, or git url.
57 verbose exit 1```

--

% npm install -g snyk-issues-to-html@7.21.1 
npm ERR! code E404
npm ERR! 404 Not Found - GET https://registry.npmjs.org/snyk-issues-to-html - Not found
npm ERR! 404 
npm ERR! 404  'snyk-issues-to-html@7.21.1' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404 ```
snyk-labs / snyk-issues-to-html

"npm install snyk-issues-to-html -g" install fails #7
