lexer added to documentation, and fixed alignment of some imports

doc/pages/standard/errno.md

@@ -13,7 +13,7 @@ When throwing errors, ::arc_errno should usually be set to an ARC_ERRNO_ define
 # Basic Example
 
 ```c
-#include <arc/std/errno.h>
+#include <archeus.h>
 
 void ARC_Example_ThrowNullError(){
     uint32_t *exampleNumber = NULL;
@@ -35,8 +35,7 @@ Sometimes the error will have data that could be helpful when debugging, so ther
 # Example With Variables
 
 ```c
-#include <arc/std/errno.h>
-#include <arc/std/string.h>
+#include <archeus.h>
 
 void ARC_Example_ThrowPathError(ARC_String *path){
     ARC_String *data;