[+] Data support APIs (#151)

src/main/resources/db/40/V1000_41__add_aquanet_user_fedy.sql

@@ -0,0 +1,9 @@
+CREATE TABLE aqua_net_user_fedy
+(
+    id           BIGINT AUTO_INCREMENT NOT NULL,
+    created_at   datetime              NOT NULL,
+    au_id        BIGINT                NOT NULL,
+    PRIMARY KEY (id),
+    CONSTRAINT fk_fedy_on_aqua_net_user FOREIGN KEY (au_id) REFERENCES aqua_net_user (au_id) ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT unq_fedy_on_aqua_net_user UNIQUE (au_id)
+);