chore(Core/Misc): Change all TODO to doxygen comment (#14966)

src/tools/vmap4_extractor/dbcfile.h

@@ -31,7 +31,7 @@ public:
     // Open database. It must be openened before it can be used.
     bool open();
 
-    // TODO: Add a close function?
+    /// @todo: Add a close function?
 
     // Database exceptions
     class Exception

src/tools/vmap4_extractor/gameobject_extract.cpp

@@ -107,7 +107,7 @@ void ExtractGameobjectModels()
         }
         else if (!strcmp(ch_ext, ".mdl"))
         {
-            // TODO: extract .mdl files, if needed
+            /// @todo: extract .mdl files, if needed
             continue;
         }
         else //if (!strcmp(ch_ext, ".mdx") || !strcmp(ch_ext, ".m2"))

src/tools/vmap4_extractor/wmo.cpp

@@ -472,7 +472,7 @@ int WMOGroup::ConvertToVMAPGroupWmo(FILE* output, bool preciseVectorData)
             // only need height values, the other values are unknown anyway
             for (uint32 i = 0; i < LiquEx_size / sizeof(WMOLiquidVert); ++i)
                 fwrite(&LiquEx[i].height, sizeof(float), 1, output);
-            // todo: compress to bit field
+            /// @todo: compress to bit field
             fwrite(LiquBytes, 1, hlq->xtiles * hlq->ytiles, output);
         }
     }