Initial build: engine, run scripts, WinSCP setup, example configs

Entities/EXAMPLE/Export1/PRACTICE_NAME/practice.json

@@ -0,0 +1,13 @@
+{
+  "_comment": "Only create this file if this practice has its own FTP login. Delete any section you don't need to override.",
+
+  "ftps": {
+    "username": "practice-specific-username",
+    "password": "practice-specific-password"
+  },
+
+  "sftp": {
+    "username": "practice-specific-username",
+    "password": "practice-specific-password"
+  }
+}