Add CORS and move registration policies to middleware

package-lock.json

@@ -9,8 +9,10 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
+        "cors": "^2.8.6",
         "dotenv": "^17.4.2",
         "express": "^5.2.1",
+        "fakeout": "^1.0.65",
         "neo4j-driver": "^6.2.0",
         "pg": "^8.22.0",
         "router": "^2.2.0"
@@ -279,6 +281,23 @@
         "node": ">=6.6.0"
       }
     },
+    "node_modules/cors": {
+      "version": "2.8.6",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.6.tgz",
+      "integrity": "sha512-tJtZBBHA6vjIAaF6EnIaq6laBBP9aq/Y3ouVJjEfoHbRBcHBAHYcMh/w8LDrk2PvIMMq8gmopa5D4V8RmbrxGw==",
+      "license": "MIT",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
     "node_modules/debug": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
@@ -434,6 +453,15 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/fakeout": {
+      "version": "1.0.65",
+      "resolved": "https://registry.npmjs.org/fakeout/-/fakeout-1.0.65.tgz",
+      "integrity": "sha512-VaHtvOaBuSpetcCU243ex4bMII2SLiTq9FS6NyD23k0doFRIM0v3+a8FtrMlQf9s8XsXkMUClt6Oc5N9V73rSQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -892,6 +920,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.13.4",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",