[API] Implement Zone Sidecar (#3635)

* Zone sidecar work

* Process management work

* Merge

* Sidecar work

* API config option

* Request proxy work

* Proxy headers and params

* Change port

* Remove code

* Sim work

* Sidecar work

* Update loot_simulator_controller.cpp

* Update loot_simulator_controller.cpp

* Formatting

* Post merge change

* Windows compile fix

* Update sidecar_api.cpp

* Update strings.cpp

common/process.h

@@ -0,0 +1,10 @@
+#ifndef EQEMU_PROCESS_H
+#define EQEMU_PROCESS_H
+
+class Process {
+public:
+	static std::string execute(const std::string &cmd, bool return_result = true);
+};
+
+
+#endif //EQEMU_PROCESS_H