fix: respect compose project name

lib/config.ts

@@ -20,6 +20,7 @@ type Hooks = Pick<
 
 export type ResolvedKuberConfig = Hooks & {
   project: string;
+  projectConfigured: boolean;
   composeFile?: string;
   registry: string;
   builders: {
@@ -157,6 +158,7 @@ export async function loadConfig(
 
   return {
     project: raw.project?.trim() ?? basename(cwd),
+    projectConfigured: raw.project !== undefined,
     composeFile: composeFile
       ? isAbsolute(composeFile)
         ? composeFile