feat(db): add db schema and seed

schema.sql

@@ -0,0 +1,14 @@
+CREATE TABLE IF NOT EXISTS `members` (
+    `member_id` INTEGER PRIMARY KEY AUTOINCREMENT,
+    `name` varchar(255) NOT NULL,
+    UNIQUE(`name`)
+);
+
+CREATE TABLE IF NOT EXISTS `disclosures` (
+    `disclosures_id` INTEGER PRIMARY KEY AUTOINCREMENT,
+    `filing_year` int(12) NOT NULL,
+    `filing` varchar(255) NOT NULL,
+    `link` varchar(255) NOT NULL,
+    `member_id` INTEGER NOT NULL,
+    FOREIGN KEY (`member_id`) REFERENCES `members`(`member_id`)
+);