Add composer.json.

composer.json

@@ -0,0 +1,22 @@
+{
+  "name": "roblib/lmmi_journal_theme",
+  "description": "Journal of LM Montgomery Studies theme, sub-theme of MagazinePlus",
+  "type": "drupal-theme",
+  "keywords": [
+    "Drupal"
+  ],
+  "homepage": "https://library.upei.ca/",
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://packages.drupal.org/8"
+    }
+  ],
+  "license": "GPL-2.0-or-later",
+  "authors": [
+    {
+      "name": "Rob Drew",
+      "role": "Owner"
+    }
+  ]
+}