Merge pull request #2779 from traumschule/helios

helios setup instructions

storage-node/packages/helios/README.md

@@ -2,6 +2,13 @@
 
 A basic tool to scan the joystream storage network to get a birds eye view of the health of the storage providers and content replication status.
 
+## Setup
+
+```
+yarn
+yarn workspace @joystream/types build
+```
+
 ## Scanning
 
 ```