docs: add cairo deps

Add instructions for installing OS-level dependencies required for building `cairo` NPM package.
watson-developer-cloud · Nov 1, 2023 · b5c560b · b5c560b
1 parent eb1eb84
commit b5c560b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -79,7 +79,11 @@ or
 git clone https://github.com/watson-developer-cloud/discovery-components.git
 ```
 
-3. To generate the dependencies for all of the packages, run the following at the root directory:
+3. Install OS dependencies for building NPM packages (required for building `cairo`, which is used by `pdfjs`):
+
+    Follow the installation instructions for your OS from https://github.com/Automattic/node-canvas#compiling.
+
+5. To generate the dependencies for all of the packages, run the following at the root directory:
 
 ```
 yarn