doc: update docs and sample files

doc/mie/sample/Simple.2.mie

@@ -0,0 +1,50 @@
+meta.source-filename "Simple.im"
+
+ivy.package-scope "net.doorstuck.test"
+
+ivy.package-ref "std.io"
+
+ivy.module {
+	%cout = ivy.global-ref @cout -> ptr
+	%StringBuilder = ivy.global-ref @std.lang.StringBuilder -> ptr
+
+	%.str.0 = ivy.str.constant "Answer: "
+
+	ivy.init-text {
+		%0 = i32.constant 32
+		%1 = i32.constant 64
+		%multmp = arith.mul %0, %1 : (i32, i32) -> i32
+
+		%y = ptr.alloca i32
+		ptr.store %multmp, %y : i32, ptr
+
+		%2 = i32.constant 64
+		%3 = i32.constant 4
+		%divtmp = arith.div %2, %3 : (i32, i32) -> i32
+
+		%z = ptr.alloca i32
+		ptr.store %divtmp, %z : i32, ptr
+
+		%4 = ptr.load %y : ptr -> i32
+		%5 = ptr.load %z : ptr -> i32
+		%addtmp = arith.add %4, %5 : (i32, i32) -> i32
+
+		%x = ptr.alloca i32
+		ptr.store %addtmp, %x : i32, ptr
+
+		%10 = ptr.load %StringBuilder : ptr -> #ivy.id
+
+		ivy.msg.send to %10, append:%.str.0 -> void
+
+		%7 = ptr.load %x : ptr -> i32
+		ivy.msg.send to %10, append:%7 -> void
+
+		%8 = ivy.msg.send to %10, to-string -> #ivy.id
+
+		%9 = ptr.load %cout : ptr -> #ivy.id
+
+		ivy.msg.send to %9, put:%8 -> void
+
+		func.return : ()
+	}
+}