fix: respect compose project name

README.md

@@ -143,7 +143,7 @@ export default {
 
 Operational defaults:
 
-- `project`: current working directory name
+- `project`: Compose top-level `name`, falling back to the current working directory name
 - `composeFile`: the first recognized Compose filename in the working directory
 - `registry`: `registry.neko-piranha.ts.net`
 - `builders.amd64`: `kuber@astral-th`
@@ -151,6 +151,9 @@ Operational defaults:
 - `builders.remoteRoot`: `kuber-build`
 - `rolloutTimeoutMs`: `300000`
 
+Project-name precedence is `.kuberrc.ts project`, Compose top-level `name`, then
+the current working directory name.
+
 Configuration hooks can be synchronous or asynchronous and receive mutable
 values: