Update README.md

README.md

@@ -1,2 +1,22 @@
 # erigon-lib
 Dependencies of Erigon project, rewritten from scratch and licensed under Apache 2.0
+
+## Dev workflow
+
+In erigon folder create go.work file (it’s already in .gitignore)
+```
+go 1.20
+
+use (
+    .
+
+     ./../erigon-lib
+)
+```
+
+Create PR in erigon-lib, don’t merge PR, refer from erigon to non-merged erigon-lib branch (commit) by: 
+go get github.com/ledgerwatch/erigon-lib/kv@<commit_hash> 
+
+Create Erigon PR
+
+When both CI are green - merge 2 PR. That’s it.