install pnpm in ci

Author: leonhma

.github/workflows/ci.yml

@@ -18,7 +18,9 @@ jobs:
           node-version: 18
 
       - name: install dependencies
-        run: pnpm install
+        run: |
+          npm install -g pnpm
+          pnpm install
 
       - name: set development version
         run: node .github/version-bump.js "$(git rev-parse --short HEAD)"
@@ -45,7 +47,9 @@ jobs:
           node-version: 18
 
       - name: install dependencies
-        run: pnpm install
+        run: |
+          npm install -g pnpm
+          pnpm install
 
       - name: test
         run: pnpm run test
@@ -61,7 +65,9 @@ jobs:
           node-version: 18
 
       - name: install dependencies
-        run: pnpm install
+        run: |
+          npm install -g pnpm
+          pnpm install
 
       - name: lint
         run: pnpm run lint

.github/workflows/release.yml

@@ -23,6 +23,7 @@ jobs:
       - name: Install
         run: |
           sudo apt-get -y install moreutils
+          npm install -g pnpm
           pnpm install
 
       - name: Lint

README.md

@@ -80,12 +80,14 @@ If you have any questions about the usage of the plugin, take a look at the [wik
 
 ## 🐞 Bugs and Errors
 
-If you encounter any errors while using this plugin, please report them to us. To do so, click [this link](https://github.com/leonhma/obsidian-functionplot/issues/new?assignees=leonhma&labels=bug&template=BUG_REPORT.yml), fill out the form as best as you can and click `Submit new issue`. These issues are publically viewable, so please don't submit any personal information.
+If you encounter any errors while using this plugin, please report them to us. To do so, click [this link](https://github.com/leonhma/obsidian-functionplot/issues/new?assignees=leonhma&labels=bug&template=BUG_REPORT.yml), fill out the form as best as you can and click `Submit new issue`. These issues are publicly viewable, so please don't submit any personal information.
 
 ## 🤝 Contributing
 
 Contributions are always welcome! Be it submitting issues, editing the wiki or creating a pull request, contributions by people like you help keep the project evolving. Please adhere to the [contributing guidelines](CONTRIBUTING.md).
 
+> Just a heads-up: This project uses `pnpm` as it's package manager, which you might have to download in order to make use of existing lockfiles. See: [Installation | pnpm](https://pnpm.io/installation)
+
 ## ©️ Attribution
 
 This plugin is based on / uses: