Added option for promotional emails to signup page

sql/create_database_structure.sql

@@ -25,6 +25,7 @@ CREATE TABLE IF NOT EXISTS signups (
 	username VARCHAR(100) UNIQUE,
 	salt VARCHAR(50),
 	hash VARCHAR(100),
+	promotions BOOLEAN DEFAULT FALSE,
 
 	verify INTEGER DEFAULT 0
 );
@@ -37,6 +38,7 @@ CREATE TABLE IF NOT EXISTS accounts (
 	username VARCHAR(100) UNIQUE,
 	salt VARCHAR(50),
 	hash VARCHAR(100),
+	promotions BOOLEAN DEFAULT FALSE,
 
 	lastActivityTime TIMESTAMP DEFAULT '2019-01-01 00:00:00'
 );

sql/update.sql

@@ -1,20 +1,16 @@
-#NOTE: ALWAYS, ALWAYS, ALWAYS write a script in revert.sql that undoes these changes
+ALTER TABLE
+	signups
+ADD COLUMN
+	promotions BOOLEAN DEFAULT FALSE
+AFTER
+	hash
+;
 
 ALTER TABLE
-	pastSpying
-MODIFY COLUMN
-	success ENUM ('success', 'failure', 'ineffective')
-;
-
-UPDATE
-	pastSpying
-SET
-	success = 'ineffective'
-WHERE
-	success = 'success'
-AND
-	spoilsGold = 0
-AND
-	(SELECT COUNT(*) FROM equipmentStolen WHERE pastSpyingId = pastSpying.id) = 0
+	accounts
+ADD COLUMN
+	promotions BOOLEAN DEFAULT FALSE
+AFTER
+	hash
 ;