Restructure CUE packages

A bunch of stuff that wasn't schema definitions ended up in the `schema`
package.  Rather than split values up in a bunch of top-level packages,
I think it would be better to have a package-per-app model.

app/nut/collectd.cue

@@ -1,10 +1,5 @@
 package nut
 
-#CollectdNut: {
-	ups: [...string]
-	load_plugin: bool | *true
-}
-
 collectd: {
 	templates: [
 		{

app/nut/schema/collectd.cue

@@ -0,0 +1,6 @@
+package schema
+
+#CollectdNut: {
+	ups: [...string]
+	load_plugin: bool | *true
+}

app/nut/schema/schema.cue

@@ -1,4 +1,4 @@
-package nut
+package schema
 
 #Ups: {
 	driver:        string

app/nut/templates.cue

@@ -1,6 +1,6 @@
 package nut
 
-import "du5t1n.me/cfg/schema/app/containerudev"
+import "du5t1n.me/cfg/app/containerudev"
 
 templates: containerudev.templates + [
 	{

env/prod/nut.cue

@@ -1,8 +1,8 @@
 package prod
 
-import n "du5t1n.me/cfg/schema/app/nut"
+import "du5t1n.me/cfg/app/nut/schema"
 
-nut: n.#Nut & {
+nut: schema.#Nut & {
 	listen: {
 		address: "::"
 		port:    3493
@@ -58,6 +58,6 @@ nut: n.#Nut & {
 
 let _nut = nut
 
-collectd: nut: n.#CollectdNut & {
+collectd: nut: schema.#CollectdNut & {
 	ups: [for k, v in _nut.ups {k + "@localhost"}]
 }

instructions/nut0.pyrocufflink.blue.cue

@@ -1,7 +1,7 @@
 package nut0
 
 import (
-	"du5t1n.me/cfg/schema/app/nut"
+	"du5t1n.me/cfg/app/nut"
 )
 
 render: nut.templates + nut.collectd.templates