chore: add new FAQ about yarn version

.wordlist.txt

@@ -13,6 +13,7 @@ Casper
 Chai
 ChainSafe
 Codespaces
+Corepack
 Customizations
 DPoS
 DVs

CONTRIBUTING.md

@@ -16,6 +16,7 @@ When using MacOS, there are a couple of extra prerequisites that are required.
 
 ## Getting Started
 
+- :gear: Run `corepack enable` to enable [Corepack](https://nodejs.org/api/corepack.html).
 - :gear: Run `yarn` to install dependencies.
 - :gear: Run `yarn build` to build lib from source.
 - :package: A `lodestar` binary will be bundled in `./packages/cli/bin`.

docs/pages/faqs.md

@@ -2,6 +2,20 @@
 
 This section of the documentation will cover common questions and encounters often asked by users and developers.
 
+## Tooling
+
+:::note "Package manager issues"
+
+Lodestar relies on [Corepack](https://nodejs.org/api/corepack.html) and associated `packageManager` value to manage its package manager version.
+
+Make sure `corepack` is correctly enabled if you encounter some package manager related issues:
+
+```bash
+corepack enable
+```
+
+:::
+
 ## Troubleshooting Lodestar
 
 ### Running a beacon node

package.json

@@ -4,6 +4,7 @@
   "engines": {
     "node": ">=20.1.0 <21"
   },
+  "packageManager": "yarn@1.22.22+sha256.c17d3797fb9a9115bf375e31bfd30058cac6bc9c3b8807a3d8cb2094794b51ca",
   "workspaces": [
     "packages/*"
   ],