feat: plans in workspace now works

examples/workspace/plan/a/forest.kdl

@@ -1,3 +1,7 @@
 plan {
 	name a
+
+	scripts {
+		hello_plan type=shell {}
+	}
 }

examples/workspace/plan/a/scripts/hello_plan.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env zsh
+
+set -e
+
+echo "hello from plan"
+
+echo "i am here: $PWD"

examples/workspace/projects/a/forest.kdl

@@ -1,6 +1,10 @@
 project {
 	name a
 
+	plan {
+		workspace a
+	}
+
 	scripts {
 		hello type=shell {}
 	}