✨ add import logic for use statement

std/fg_env.nas

@@ -1,6 +1,6 @@
 # flightgear developer environments simulator (beta)
 # ValKmjolnir 2022
-import.std.runtime;
+use std.runtime;
 
 println("-------------------------------------------------------------");
 println(" FlightGear simulated-env for developers project, since 2019");

std/lib.nas

@@ -1,13 +1,13 @@
 # lib.nas
 # 2019 ValKmjolnir
 
-import.std.coroutine;
-import.std.math;
-import.std.string;
-import.std.io;
-import.std.os;
-import.std.bits;
-import.std.unix;
+use std.coroutine;
+use std.math;
+use std.string;
+use std.io;
+use std.os;
+use std.bits;
+use std.unix;
 
 # print is used to print all things in nasal, try and see how it works.
 # this function uses std::cout to output logs.