feat: implement MMU core functionality

* feat: Implement a basic MMU configuration

* feat: Enhance MMU by separating sections and configuring permissions

* feat: Update MMU configuration and memory allocation functions

* fix: Level 3 translation fault

* docs: add code documentation

* fix: linter

* feat: map translation tables to kernel space

* feat: move el1 stack to kernel VA space

* feat: use virtual memory for heap allocation

* docs: update Readme

workspace/nova_error/src/lib.rs

@@ -8,4 +8,7 @@ pub enum NovaError {
     Mailbox,
     HeapFull,
     EmptyHeapSegmentNotAllowed,
+    Misalignment,
+    InvalidGranularity,
+    Paging,
 }