Fixup hacky login session system, add separate development Caddyfile for CORS cookie issue

frontend/Caddyfile.development

@@ -0,0 +1,18 @@
+{
+	admin off # theres no need for the admin api in railway's environment
+	auto_https off # railway handles https for us, this would cause issues if left enabled
+}
+
+http://localhost:8080 {
+	respond /health 200
+	encode {
+		zstd fastest
+		gzip 3
+	}
+
+	handle /api/* {
+		reverse_proxy localhost:8000
+	}
+
+	reverse_proxy localhost:5173
+}