support watch remote sources

[izayl]

Describe the feature

for now watch only works for local files, can we add support for remote sources like GitHub files?

Additional information

• [X] Would you be willing to help implement this feature?

[pi0]

It is not a straightforward feature to have. What is your usecase?

[izayl]

I want to split the config and server, load and update config from a git repo, without restart service or release new service version