Move envvar names into injshared.h

injector/include/injshared.h

@@ -1,5 +1,8 @@
 #include <windows.h>
 
+const char ENV_EXE_PATH[] = "JADEITE_TARGET_EXE_PATH";
+const char ENV_DLL_PATH[] = "JADEITE_INJECT_DLL_PATH";
+
 static inline void write_protected_process_memory(HANDLE process, void *address, const void *buf, size_t size) {
     DWORD oldProtect;
     VirtualProtectEx(process, address, size, PAGE_EXECUTE_READWRITE, &oldProtect);