Validate available instance types for instace creation. (#50)

Fix restoring configs. (#49)

* Get rid of the nullish coalescing operator (#48)

* Fixed the screen going blank after provisioning an instance (#47)

Validate instance types available per AZ. (#46)

Roll back lambda adapter version upgrade. (#45)

Work around handling of users with unicode usernames. (#44)

Fix provision and cleanup wait functions. (#43)

Add retries to migration script. (#42)

Add standalone migration script. (#41)

Store state instead of calculating it dynamically (#40)

Fix the bug in the extend endpoint. (#39)

Fix bug waiting for instances to provision. (#38)

Fix cleanup (#37)

Undo caching changes. (#36)