FINERACT-1926: Fineract Asset Externalization models

- [x] JPA Model changes
- [x] External Asset Owner Platform services
- [x] External Asset Owner Swagger
- [x] Core changes

fineract-investor/src/main/resources/db/changelog/tenant/module/investor/parts/0003_asset_schemas.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements. See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership. The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License. You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied. See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.1.xsd">
+
+  <!-- Create the m_external_asset_owner table -->
+  <changeSet author="fineract" id="1" context="postgresql">
+
+    <addColumn tableName="m_external_asset_owner_transfer">
+      <column name="external_loan_id" type="varchar(100)"/>
+      <column name="loan_id" type="bigint" remarks="Loan ID">
+        <constraints nullable="false"/>
+      </column>
+    </addColumn>
+  </changeSet>
+  <changeSet author="fineract" id="2" context="postgresql">
+
+    <addForeignKeyConstraint baseColumnNames="loan_id"
+      baseTableName="m_external_asset_owner_transfer"
+      constraintName="FK_external_asset_owner_transfer_loan_id" deferrable="false"
+      initiallyDeferred="false"
+      onDelete="RESTRICT" onUpdate="RESTRICT" referencedColumnNames="id"
+      referencedTableName="m_loan" validate="true"/>
+
+  </changeSet>
+
+</databaseChangeLog>