Add several elixir solutions

elixir/new-passport/.exercism/config.json

@@ -0,0 +1,21 @@
+{
+  "authors": [
+    "jiegillet"
+  ],
+  "contributors": [
+    "angelikatyborska"
+  ],
+  "files": {
+    "solution": [
+      "lib/new_passport.ex"
+    ],
+    "test": [
+      "test/new_passport_test.exs"
+    ],
+    "exemplar": [
+      ".meta/exemplar.ex"
+    ]
+  },
+  "language_versions": ">=1.10",
+  "blurb": "Learn about `with` to concentrate on the happy path and manage a stressful day of facing bureaucracy."
+}

elixir/new-passport/.exercism/metadata.json

@@ -0,0 +1 @@
+{"track":"elixir","exercise":"new-passport","id":"674520f3b67548a8907ce0871db7f77c","url":"https://exercism.org/tracks/elixir/exercises/new-passport","handle":"halfdan","is_requester":true,"auto_approve":false}