Generify endpoint groups as IntelliJ Modules

This allows them to be built sperately decreasing JAR size and also creates a better structure for generic service functions and business logic.

Lambdas/Lists/List/src/ListAdder.java

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+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.util.Map;
+
+public class ListAdder implements CallHandler {
+
+    private DBConnector connector;
+    private String cognitoID;
+
+    private final String LIST_CREATE = "INSERT INTO Lists (Name, Owner) VALUES (?, ?)";
+
+    public ListAdder(DBConnector connector, String cognitoID) {
+        this.connector = connector;
+        this.cognitoID = cognitoID;
+    }
+
+    public String conductAction(Map<String, Object> bodyMap, String queryString) throws SQLException {
+        Connection connection = connector.getConnection();
+        PreparedStatement statement = connection.prepareStatement(LIST_CREATE);
+        statement.setString(1, bodyMap.get("name").toString());//Needs safe checking
+        statement.setString(2, cognitoID);
+        System.out.println(statement);
+        statement.executeUpdate();
+        connection.commit();
+        return null;
+    }
+}

Lambdas/Lists/List/src/ListPOST.java

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+import java.util.Map;
+
+import com.amazonaws.services.lambda.runtime.Context;
+import com.amazonaws.services.lambda.runtime.RequestHandler;
+
+public class ListPOST implements RequestHandler<Map<String,Object>, String>{
+
+    public String handleRequest(Map<String, Object> inputMap, Context unfilled) {
+        return BasicHandler.handleRequest(inputMap, unfilled, ListAdder.class);
+    }
+}