Added initial Settings

internal/database/createDb.sql

@@ -14,4 +14,10 @@ create table if not exists Chapter (
     Number integer not null,
     TimeStampUnixEpoch integer not null,
     foreign key(MangaID) references Manga(ID)
+);
+
+create table if not exists Setting (
+    Name text not null primary key,
+    Value text,
+    DefaultValue text not null
 );