Force docusaurus project to use npm (#581)

* We were missing package-lock.json which i think cloudflare checks the
presence of to decide to use npm over yarn
* Added yarn.lock to .gitignore. I think trying to support yarn will
just bring us heartache. we use this strategy in our other docusaurus
deployments.
* Updated the CI to use npm over yarn

.github/workflows/ci.yaml

@@ -64,15 +64,13 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '22'
-          cache: 'yarn'
-          cache-dependency-path: 'docs/yarn.lock'
       - name: Build Chicory
         run: mvn -B -Dquickly
       - name: Test Docs
         working-directory: docs
         run: |
-          yarn install --frozen-lockfile
-          yarn test
+          npm install
+          npm run test
 
   test-results:
     name: Test Results

docs/.gitignore

@@ -24,3 +24,5 @@ yarn-error.log*
 .pnp.*
 *.wasm
 *.result
+
+yarn.lock

docs/README.md

@@ -5,37 +5,22 @@ This website is built using [Docusaurus](https://docusaurus.io/), a modern stati
 ### Installation
 
 ```
-$ yarn
+$ npm install
 ```
 
 ### Local Development
 
 ```
-$ yarn start
+$ npm run start
 ```
 
 This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.
 
 ### Build
 
 ```
-$ yarn build
+$ npm run build
 ```
 
 This command generates static content into the `build` directory and can be served using any static contents hosting service.
 
-### Deployment
-
-Using SSH:
-
-```
-$ USE_SSH=true yarn deploy
-```
-
-Not using SSH:
-
-```
-$ GIT_USER=<Your GitHub username> yarn deploy
-```
-
-If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the `gh-pages` branch.