Adding not-so-goo tool for converting comments to Doxygen style

tools/convert_header_comments_to_doxygen.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+#Usage: ./convert_header_comments_to_doxygen.sh <path>
+# Note: this does not work as well as otsdaq-utilities/tools/convert_comments_to_doxygen.cpp
+
+# Check if directory is provided
+if [ -z "$1" ]; then
+    echo "Usage: $0 <directory>"
+    exit 1
+fi
+
+
+
+
+# Process all .h files in the given directory recursively
+find "$1" -type f -name "*.h" | while read -r file; do
+    echo "Processing: $file"
+
+    # Use sed to replace end-of-line // comments with ///<
+    # - Ignores lines that start with '#' (e.g., #pragma)
+    # - Ignores special comments like '// clang-format off'
+    # - Ignores comments made of repeated characters (e.g., '// ========')
+    # - Ignores `} // namespace ots` specifically
+    # - Converts other comments to Doxygen format
+    sed -i -E '/^[[:space:]]*#/! {/^[[:space:]]*\/\/[[:space:]]*(clang-format|TODO|FIXME|NOTE|namespace)/! {/^[[:space:]]*\/\/[[:space:]]*([=_\-~*\/]{3,})/! {/^[[:space:]]*\/\/[[:space:]]*\}[[:space:]]*\/\/[[:space:]]*namespace[[:space:]]+ots/! s#([^/])//[[:space:]]*(.*)$#\1 ///< \2#}}}' "$file"
+
+    # Remove unwanted `} ///< namespace ots` conversion
+    sed -i -E 's#}   ///< namespace ots#} // namespace ots#' "$file"
+
+done
+
+echo "Conversion complete for all .h files in $1"
+
+
+