Usermods: PIR sensor switch, v2 unreachable net services

usermods/Fix_unreachable_netservices_v2/readme.md

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+# Fix unreachable net services V2
+
+This usermod-v2 modification performs a ping request to the local IP address every 60 seconds. By this procedure the net services of WLED remains accessible in some problematic WLAN environments.
+
+The modification works with static or DHCP IP address configuration.
+
+**Webinterface**: The number of pings and reconnects is displayed on the info page in the web interface.
+
+_Story:_
+
+Unfortunately, with all ESP projects where a web server or other network services are running, I have the problem that after some time the web server is no longer accessible.  Now I found out that the connection is at least reestablished when a ping request is executed by the device.
+
+With this modification, in the worst case, the network functions are not available for 60 seconds until the next ping request.
+
+## Installation
+
+1. Copy the file `usermod_Fix_unreachable_netservices.h` to the `wled00` directory.
+2. Register the usermod by adding `#include "usermod_Fix_unreachable_netservices.h"` in the top and `registerUsermod(new FixUnreachableNetServices());` in the bottom of `usermods_list.cpp`.
+
+Example **usermods_list.cpp**:
+
+```cpp
+#include "wled.h"
+/*
+ * Register your v2 usermods here!
+ *   (for v1 usermods using just usermod.cpp, you can ignore this file)
+ */
+
+/*
+ * Add/uncomment your usermod filename here (and once more below)
+ * || || ||
+ * \/ \/ \/
+ */
+//#include "usermod_v2_example.h"
+//#include "usermod_temperature.h"
+//#include "usermod_v2_empty.h"
+#include  "usermod_Fix_unreachable_netservices.h"
+
+void registerUsermods()
+{
+  /*
+   * Add your usermod class name here
+   * || || ||
+   * \/ \/ \/
+   */
+  //usermods.add(new MyExampleUsermod());
+  //usermods.add(new UsermodTemperature());
+  //usermods.add(new UsermodRenameMe());
+  usermods.add(new FixUnreachableNetServices());
+
+}
+```
+
+Hopefully I can help someone with that - @gegu