Added compile commands export to support clangd.

[DorianBDev]

Description

Try to fix current limitations of the multi-threading system of the attached project type. The idea is to have a new cache system that can cancel no-longer-needed tiles being loaded (which, if working on a huge image, can make exhaust the thread pool and crash/freeze Degate).

Affected area(s)

• [x] Core
• [ ] GUI
• [ ] Tests

Changes type

• [x] Bug fix
• [ ] Migration
• [ ] New feature
• [ ] Feature rework

Proposed changes

• Rework the multi-threading system of the attached project type.