(a) ignore IDE settings (b) update README to point to test scripts for usage samples

Author: ChintanRaval

.gitignore

@@ -1,4 +1,6 @@
+# IDE-specific settings
 .idea/
+.vscode/
 
 # Byte-compiled / optimized / DLL files
 __pycache__/

.vscode/settings.json

@@ -18,15 +18,8 @@ In the above example, dwsource is a 64bit ODBC system dsn
 
 
 ### Examples
-#### CSV Source
-
-`py rdl.py csv://.\test_data\full_refresh postgresql+psycopg2://postgres:xxxx@localhost/dest_dw .\configuration\ --log-level INFO --full-refresh yes`
-`py rdl.py csv://.\test_data\incremental_refresh postgresql+psycopg2://postgres:xxxx@localhost/dest_dw .\configuration\ --log-level INFO --full-refresh no`
-
-
-#### MSSQL Source
-
 
+See `test_*.cmd` scripts for usage samples.
 
 ### Troubleshooting
 Run with  `--log-level DEBUG` on the command line.