Change database to handle non-discord participants.

database_setup/database.sql

@@ -42,7 +42,8 @@ CREATE TABLE Presences (
 
 CREATE TABLE ParticipationPoints (
     Cycle varchar(30) not null,
-    MemberId bigint unsigned not null,
+    MemberId varchar(32) not null,
+    DiscordMember boolean not null,
     Points int unsigned DEFAULT 0,
     PRIMARY KEY (Cycle, MemberId)
 );