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/netlify/values.yaml

@@ -0,0 +1,28 @@
+plan:
+    package: ./netlify/tests
+name: netlify
+inputs:
+    TestNetlify.deploy.account.name:
+        text: blocklayer
+    TestNetlify.deploy.account.token:
+        secret: ENC[AES256_GCM,data:oWKi8eqTUEs+YClokLKeAKsEj3qae4yQTn/67u6ga4Ptcq4+MyYS/6wAUg==,iv:Xfw+L/4p7vO+jb/EVyYOvsIZ9KxZbi30ms2Ckg4E8cE=,tag:G4EBBer04D6FHFP9e+feTw==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1gxwmtwahzwdmrskhf90ppwlnze30lgpm056kuesrxzeuyclrwvpsupwtpk
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBwWHFLRUtscWVma0lQM3Qv
+            M2czUFJhSEpnczdJTWhadnJHOWowaXd1dWtJCmk3aU15NDJYcmtUOE5pZ0lIQzRu
+            dTYvRFdsM0ZoUjFWSG91UnZRVWdvZjgKLS0tIENhK2VWNHByY3hYNUVmWDRmOUFM
+            SEdUK2RsaUxuVWg2aXUwdVJ0eUtrWWMKWkQDBuL5e4QDx5Wy6+fHiD+J4fp7QdMm
+            lsqgmxRvJMWgEvm1U+hDAo/Pkn8PFUFJf0KxEvkdF4qGuguQePgzFQ==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2021-07-08T09:56:21Z"
+    mac: ENC[AES256_GCM,data:kwYvKyJtStkcUQ6BaKt2KfY1s2al1bfcTc3MfTLtBsjBRoFvaaHdpMzy8XbNe6RG0R60ZH/1UJVHKohbceHOWcZlEZbK3siAiaXRNo5uLDlKBzpiGvLyW3QDDqE8qWpmh2sKWsh8DKjj3bXxiY4aLXwxVJt/zry221l+U7RdrvY=,iv:zUaaLxty4RN0c2aov9u6uXaqvlHdhlOhfgk8qMZgqv0=,tag:BI8xtsvsOe3Kr+5fZEpSjA==,type:str]
+    pgp: []
+    encrypted_suffix: secret
+    version: 3.7.1