Add Subjects pane.

SubjectsContainer as Redux Container. Subjects is the component.

containers/SubjectsContainer.js

@@ -0,0 +1,20 @@
+import { connect } from "react-redux";
+import Subjects from "../components/Subjects";
+import { addSubject, removeSubject } from "../actions";
+
+const mapStateToProps = state => {
+	return {
+		subjects: state.subjects,
+	};
+};
+
+const mapDispatchToProps = dispatch => {
+	return {
+		addSubject: subject => dispatch(addSubject(subject)),
+		removeSubject: id => dispatch(removeSubject(id))
+	};
+};
+
+const SubjectsContainer = connect(mapStateToProps, mapDispatchToProps)(Subjects);
+
+export default SubjectsContainer;