Merge pull request #761 from microbiomedata/760-migrations-implement-…

…notebook-that-runs-the-1103-to-1110-migrators

Implement the `11.0.3`-to-`11.1.0` migration notebook

demo/metadata_migration/notebooks/.notebook.env.example

@@ -8,13 +8,17 @@ PATH_TO_MONGORESTORE_BINARY = "__REPLACE_ME__"  # e.g. "/Users/Alice/Downloads/m
 PATH_TO_MONGOSH_BINARY = "__REPLACE_ME__"  # e.g. "/Users/Alice/Downloads/mongosh-1.10.6-darwin-x64/bin/mongosh"
 
 # Connection parameters for the Origin Mongo server (typically a remote serve).
+# Note: The Origin Mongo server is the one that contains the database you want
+#       to migrate. It is where the "E" and "L" in "ETL" will take place.
 ORIGIN_MONGO_HOST="__REPLACE_ME__"
 ORIGIN_MONGO_PORT="__REPLACE_ME__"
 ORIGIN_MONGO_USERNAME="__REPLACE_ME__"
 ORIGIN_MONGO_PASSWORD="__REPLACE_ME__"
 ORIGIN_MONGO_DATABASE_NAME="__REPLACE_ME__"  # e.g. "nmdc"
 
 # Connection parameters for the Transformer Mongo server (typically a local server).
+# Note: The Transformer Mongo server is the one you want to use to perform the
+#       database transformations. It is where the "T" in "ETL" will take place.
 TRANSFORMER_MONGO_HOST="__REPLACE_ME__"
 TRANSFORMER_MONGO_PORT="__REPLACE_ME__"
 TRANSFORMER_MONGO_USERNAME="__REPLACE_ME__"