feat: supply process arguments through native startup

std/process/process.hon

@@ -2,4 +2,25 @@ import "@std/io"
 
 Init :: struct {
 	io io.Io
+	args Args
+}
+
+Args :: struct {
+	values [][*;0]u8
+}
+
+argument_count func(args Args) usize {
+	return args.values.len
+}
+
+argument func(args Args, index usize) ?[;0]u8 {
+	if index >= argument_count(args) {
+		return null
+	}
+	pointer :: args.values[index]
+	length usize := 0
+	while pointer[length] != 0 {
+		length += 1
+	}
+	return pointer[..length;0]
 }