feat: added "official" status to the DB schema (#821)

Author: cka-y

liquibase/changelog.xml

@@ -30,4 +30,5 @@
     <include file="changes/feat_565.sql" relativeToChangelogFile="true"/>
     <include file="changes/feat_566.sql" relativeToChangelogFile="true"/>
     <include file="changes/feat_780.sql" relativeToChangelogFile="true"/>
+    <include file="changes/feat_741.sql" relativeToChangelogFile="true"/>
 </databaseChangeLog>

liquibase/changes/feat_741.sql

@@ -0,0 +1,9 @@
+CREATE TABLE OfficialStatusHistory(
+    is_official BOOLEAN NOT NULL,
+    feed_id VARCHAR(255) NOT NULL,
+    reviewer_email VARCHAR(255) NOT NULL,
+    timestamp TIMESTAMP NOT NULL,
+    notes VARCHAR(255),
+    FOREIGN KEY (feed_id) REFERENCES Feed(id),
+    PRIMARY KEY (feed_id, timestamp)
+);