Use pnpm (#867)

Author: drwpow

.github/workflows/pull_request.yml

@@ -7,8 +7,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: ~/.pnpm-store
+          key: ${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: ${{ runner.os }}-
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 6
       - uses: actions/setup-node@v2
-      - run: npm ci
+      - run: pnpm i
       - run: npm run lint
   test:
     strategy:
@@ -18,8 +26,16 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: ~/.pnpm-store
+          key: ${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: ${{ runner.os }}-
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 6
       - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
-      - run: npm ci
+      - run: pnpm i
       - run: npm run test:coverage

CONTRIBUTING.md

@@ -7,9 +7,10 @@ Project on GitHub][egghead]
 
 ## Project setup
 
-1.  Fork and clone the repo
-2.  Run `npm install` to install dependencies
-3.  Create a branch for your PR with `git checkout -b pr/your-branch-name`
+1. Install [pnpm](https://pnpm.io/)
+2. Fork and clone the repo
+3. Run `pnpm i` to install dependencies
+4. Create a branch for your PR with `git checkout -b pr/your-branch-name`
 
 It’s also recommended you have [ESLint][eslint] installed and set up correctly. You may also run the command
 `npm run lint` to see lint errors.
@@ -71,16 +72,6 @@ Issue**][good-first-issue] are especially good to help with.
 
 Also, please watch the repo and respond to questions/bug reports/feature requests! Thanks!
 
-## Deploying (access only)
-
-If you have access to the npm project, run the following:
-
-```bash
-npm run deploy
-```
-
-Follow the prompts to release.
-
 [all-contributors]: https://github.com/all-contributors/all-contributors
 [egghead]: https://egghead.io/series/how-to-contribute-to-an-open-source-project-on-github
 [eslint]: https://eslint.org/