Add sessionskip field to tempvoicesession table

The tempvoicesession table in the database now includes a sessionskip field. This change was reflected in the DatabaseService by altering the corresponding SQL command that creates the table. This new field will be useful for handling functionality related to skipping sessions.

src/Services/DatabaseService.cs

@@ -254,7 +254,7 @@ public static async Task InitializeDatabaseTables()
             },
             {
                 "tempvoicesession",
-                "CREATE TABLE tempvoicesession (userid BIGINT, channelname VARCHAR, channelbitrate INTEGER, channellimit INTEGER, blockedusers VARCHAR, permitedusers VARCHAR, locked BOOLEAN, hidden BOOLEAN)"
+                "CREATE TABLE tempvoicesession (userid BIGINT, channelname VARCHAR, channelbitrate INTEGER, channellimit INTEGER, blockedusers VARCHAR, permitedusers VARCHAR, locked BOOLEAN, hidden BOOLEAN, sessionskip BOOLEAN)"
             },
             { "vorstellungscooldown", "CREATE TABLE vorstellungscooldown (user_id BIGINT, time BIGINT)" },
             { "warnreasons", "CREATE TABLE warnreasons (reason TEXT, custom_id VARCHAR)" },