OPNSense widget (#730)

* Opnsense widget (#2)

* OPNSense widget : initial version, memory usage is inaccurate.

* OPNSense widget : code cleanup in widget.js. Firewall is no longer displayed, so it did not need to be queried.

* Opnsense widget (#3)

* OPNSense widget : initial version, memory usage is inaccurate.

* OPNSense widget : code cleanup in widget.js. Firewall is no longer displayed, so it did not need to be queried.

* OPNSense widget : fixing the CPU code to make it more reliable.

* OPNSense widget : fixing the CPU code to make it more reliable. Removing uptime info

* Update src/widgets/opnsense/component.jsx

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

* Update public/locales/en/common.json

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

* Update src/widgets/opnsense/component.jsx

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

* Update src/widgets/opnsense/component.jsx

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/components.js

@@ -29,6 +29,7 @@ const components = {
   nzbget: dynamic(() => import("./nzbget/component")),
   omada: dynamic(() => import("./omada/component")),
   ombi: dynamic(() => import("./ombi/component")),
+  opnsense: dynamic(() => import("./opnsense/component")),
   overseerr: dynamic(() => import("./overseerr/component")),
   paperlessngx: dynamic(() => import("./paperlessngx/component")),
   pihole: dynamic(() => import("./pihole/component")),