Doc: Apply cog to Link.h and Link.cpp

Cog is reapplied to create improved documentation for LinkParams.  See
LinkParams.py

src/Tools/params_utils.py

@@ -90,8 +90,9 @@ def declare_begin(module, header=True):
         f"""
 {trace_comment()}
 namespace {namespace} {{
-/** {class_doc}
-
+/**
+ * @brief {class_doc}
+ *
  * The parameters are under group "{param_path}"
  *
  * This class is auto generated by {param_file}. Modify that file
@@ -137,8 +138,8 @@ public:
         cog.out(
             f"""
     {trace_comment()}
-    //@{{
-    /// Accessor for parameter {param.name}"""
+    /// @name {param.name} accessors
+    /// @brief Accessors for parameter {param.name}"""
         )
         if param._doc:
             cog.out(
@@ -152,6 +153,7 @@ public:
                 )
         cog.out(
             f"""
+    /// @{{
     static const {param.C_Type} & get{param.name}();
     static const {param.C_Type} & default{param.name}();
     static void remove{param.name}();
@@ -165,7 +167,7 @@ public:
             )
         cog.out(
             f"""
-    //@}}
+    /// @}}
 """
         )