next steps in unit tests, enhanced PaymentContract

.gitignore

@@ -1,6 +1,14 @@
 
 # Created by https://www.gitignore.io/api/java,linux,macos,maven,windows,eclipse,intellij
 
+### Refintiv credentials ###
+
+refinitiv_connect.properties
+
+### DB properties and credentials ###
+
+src/main/resources/sql/database_connect.properties
+
 ### Eclipse ###
 
 .metadata
@@ -15,6 +23,9 @@ local.properties
 .loadpath
 .recommenders
 
+#node modules
+node_modules
+
 # External tool builders
 .externalToolBuilders/
 
@@ -263,5 +274,9 @@ $RECYCLE.BIN/
 /.idea/misc.xml
 /.idea/modules.xml
 /.idea/vcs.xml
-
-
+.idea
+*.iml
+/frontend/.angular
+/frontend/node_modules
+/frontend/src/app/openapi/**
+.vscode/**