Add export and load for dagger images

Signed-off-by: Helder Correia <174525+helderco@users.noreply.github.com>

docs/drafts/plans/local.cue

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"dagger.io/dagger"
+	"universe.dagger.io/docker"
+)
+
+dagger.#Plan & {
+	client: filesystem: "/var/run/docker.sock": read: contents: dagger.#Service
+
+	actions: {
+		build: docker.#Build & {
+			...
+		}
+
+		load: docker.#Load & {
+			image: build.output
+			host:  client.filesystem."/var/run/docker.sock".read.contents
+			tag:   "myimage"
+		}
+	}
+}

docs/drafts/plans/ssh.cue

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"dagger.io/dagger"
+	"universe.dagger.io/docker"
+)
+
+dagger.#Plan & {
+	client: filesystem: {
+		"/home/user/.ssh/id_rsa": read: contents:      dagger.#Secret
+		"/home/user/.ssh/known_hosts": read: contents: dagger.#Secret
+	}
+
+	actions: {
+		build: docker.#Build & {
+			...
+		}
+
+		load: docker.#Load & {
+			image: build.output
+			tag:   "myimage:v2"
+			host:  "ssh://root@93.184.216.34"
+			ssh: {
+				key:        client.filesystem."/home/user/.ssh/id_rsa".read.contents
+				knownHosts: client.filesystem."/home/user/.ssh/known_hosts".read.contents
+			}
+		}
+	}
+}