docs: document the new certificates preset

Changed files
+20
docs
src
internal
presets
+4
docs/src/SUMMARY.md
···
- ["Private" use]()
- [Ports](./internal/ports.md)
- [External Untracked Files](./internal/ext-files.md)
+
- [Presets]()
+
- [`certificates`](./internal/presets/certificates.md)
+
- [`nginx`](./internal/presets/nginx.md)
+
- [`vmetrics`](./internal/presets/vmetrics.md)
+16
docs/src/internal/presets/certificates.md
···
+
# Certificates presets
+
+
```nix
+
{...}: {
+
gensokyo.presets.certificates = true;
+
}
+
```
+
+
This enables and set some ACME related configurations to a common value.
+
+
This requires the following secrets to be set:
+
+
```yaml
+
lego:
+
cf_token: # generate from cloudflare
+
```