switch to dtk setup (#2203)

* switch to dtk setup

* some cleanup / fixes

* cleanup d_a_alink literals

* Restore doxygen, update CI & README.md (#1)

* Fix build image ref (#2)

---------

Co-authored-by: Luke Street <luke@street.dev>

src/SSystem/SComponent/c_malloc.cpp

@@ -0,0 +1,32 @@
+/**
+ * c_malloc.cpp
+ *
+ */
+
+#include "SSystem/SComponent/c_malloc.h"
+#include "JSystem/JKernel/JKRHeap.h"
+
+/* ############################################################################################## */
+/* 80451150-80451158 0004+04 s=3 e=0 z=0  None .sbss      Heap__3cMl */
+JKRHeap* cMl::Heap;
+
+/* 80263220-80263228 0008+00 s=0 e=1 z=0  None .text      init__3cMlFP7JKRHeap */
+void cMl::init(JKRHeap* heap) {
+    Heap = heap;
+}
+
+/* 80263228-80263260 0038+00 s=0 e=8 z=0  None .text      memalignB__3cMlFiUl */
+void* cMl::memalignB(int alignment, unsigned long size) {
+    if (size == 0) {
+        return NULL;
+    } else {
+        return Heap->alloc(size, alignment);
+    }
+}
+
+/* 80263260-8026328C 002C+00 s=0 e=4 z=0  None .text      free__3cMlFPv */
+void cMl::free(void* ptr) {
+    if (ptr != NULL) {
+        Heap->free(ptr);
+    }
+}