Rombond

I tried to use the custom API with the POST method, as described in the [documentation](https://github.com/glanceapp/glance/blob/main/docs/configuration.md#method), but without success. Then, after seeing this issue, I wonder: why does the documentation...

> It has been implemented. Are you sure you are on the latest version? ([v0.7.8](https://github.com/glanceapp/glance/releases/tag/v0.7.8)) I was in 0.7.3, my bad :/