Samples Reappend

Samples/MachineJob/appsettings.json

@@ -0,0 +1,8 @@
+{
+  "ConnectionStrings": {
+    "DatabaseWriteConnectionString": "Server=localhost; User ID=root; Password=123456; Database=modbusnettest;"
+  },
+  "Config": {
+    "FetchSleepTime": "100"
+  }
+}