feat: add new required slug property to coder_app, use in URLs (#4573)

coderd/database/queries/groups.sql

@@ -81,7 +81,7 @@ VALUES
 	( $1, $2, $3, $4) RETURNING *;
 
 -- We use the organization_id as the id
--- for simplicity since all users is 
+-- for simplicity since all users is
 -- every member of the org.
 -- name: InsertAllUsersGroup :one
 INSERT INTO groups (
@@ -110,14 +110,14 @@ INSERT INTO group_members (
 VALUES ( $1, $2);
 
 -- name: DeleteGroupMember :exec
-DELETE FROM 
-	group_members 
+DELETE FROM
+	group_members
 WHERE
 	user_id = $1;
 
 -- name: DeleteGroupByID :exec
-DELETE FROM 
-	groups 
+DELETE FROM
+	groups
 WHERE
 	id = $1;