added node_type_pattern in dbt yaml file (#2705)

metadata-ingestion/README.md

@@ -683,6 +683,8 @@ Pull metadata from dbt artifacts files:
   - [data platforms](https://github.com/linkedin/datahub/blob/master/gms/impl/src/main/resources/DataPlatformInfo.json)
 - load_schemas:
   - Load schemas from dbt catalog file, not necessary when the underlying data platform already has this data.
+- node_type_pattern: 
+  - Use this filter to exclude and include node types using allow or deny method  
 
 ```yml
 source:
@@ -692,6 +694,11 @@ source:
     catalog_path: "./path/dbt/catalog_file.json"
     target_platform: "postgres" # optional, eg "postgres", "snowflake", etc.
     load_schemas: True or False
+    node_type_pattern: # optional
+      deny:
+        - ^test.*
+      allow:
+        - ^.*    
 ```
 
 Note: when `load_schemas` is False, models that use [identifiers](https://docs.getdbt.com/reference/resource-properties/identifier) to reference their source tables are ingested using the model identifier as the model name to preserve the lineage.