Move snippets outside of markdown

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

docs/tests/core-concepts/secrets/plans/sops.cue

@@ -0,0 +1,23 @@
+dagger.#Plan & {
+	client: commands: sops: {
+		name: "sops"
+		args: ["-d", "./secrets.yaml"]
+		stdout: dagger.#Secret
+	}
+
+	actions: {
+		// Makes the yaml keys easily accessible
+		secrets: dagger.#DecodeSecret & {
+			input:  client.commands.sops.stdout
+			format: "yaml"
+		}
+
+		run: docker.#Run & {
+			mounts: secret: {
+				dest:     "/run/secrets/token"
+				contents: secrets.output.myToken
+			}
+			// Do something with `/run/secrets/token`
+		}
+	}
+}