cue modules: move stdlib to pkg/alpha.dagger.io

In preparation for Europa, we will vendor multiple CUE modules:

- `pkg/alpha.dagger.io`: legacy non-europa packages
- `pkg/dagger.io`: core Europa packages
- `pkg/universe.dagger.io`: Europa universe

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

pkg/alpha.dagger.io/.dagger/env/docker-run-local/values.yaml

@@ -0,0 +1,27 @@
+plan:
+    package: ./docker/tests/run-local
+name: docker-run-local
+inputs:
+    dockersocket:
+        socket:
+            unix: /var/run/docker.sock
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1gxwmtwahzwdmrskhf90ppwlnze30lgpm056kuesrxzeuyclrwvpsupwtpk
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBpamtuNHB6NjY5L3VNT3hl
+            TGlmVFFoZURJR1RmZEFvSGUyVFRaSWNnSUMwClJiaDVGZWJoeDBMY21jZTVlREdS
+            aWg0SjNWN3BrTXRneXJyZy80K1JRSFUKLS0tIFEwKzdkVkNPT2VHTmtiOEdDQlZa
+            cnh2eHU5TzFjVkNvTzUyczFBL0pwTDQK60+wrLmTaD3Ws5ZAXdqBkMjaVP7Iz69k
+            UrkqkMbaUlvvSKK7dB5MuTGEEN6A1viAGal9ZjDHlSobkNPuE24QEA==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2021-09-21T23:13:41Z"
+    mac: ENC[AES256_GCM,data:jF/Uu0y+uXym4UeXfRmzuZvEkqbk12vzByoiMOk2X/lQ+26x5LzWWwso7/2KjAnDonrKaPLChpaBJE89SIyuLKcU43/ttQ3xZK8TBfj7RWU5hT0Bj1kW2w258LLqcvYSrmHsvzh7aigG561LowJYysoHt4Bt6m66mwZq7wjelqA=,iv:toaSdz6F1oNf5ELSP3/aHLEAzyEAXKLZfxJBoR/aBOY=,tag:2xnNbmSsGTsMD0YT1+valA==,type:str]
+    pgp: []
+    encrypted_suffix: secret
+    version: 3.7.1