Fix documentation not showing docstrings

doc/Doxyfile.in

@@ -513,7 +513,7 @@ TIMESTAMP              = NO
 # If the EXTRACT_ALL tag is set to YES, doxygen will assume all entities in
 # documentation are documented, even if no documentation was available. Private
 # class members and static file members will be hidden unless the
-# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES.
+# EXTRACT_RIVATE respectively EXTRACT_STATIC tags are set to YES.
 # Note: This will also disable the warnings about undocumented members that are
 # normally produced when WARNINGS is set to YES.
 # The default value is: NO.
@@ -536,7 +536,7 @@ EXTRACT_PRIV_VIRTUAL   = NO
 # scope will be included in the documentation.
 # The default value is: NO.
 
-EXTRACT_PACKAGE        = NO
+EXTRACT_PACKAGE        = YES
 
 # If the EXTRACT_STATIC tag is set to YES, all static members of a file will be
 # included in the documentation.
@@ -943,7 +943,7 @@ WARN_LOGFILE           = @CMAKE_BINARY_DIR@/doxygen-warnings.log
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = @CMAKE_SOURCE_DIR@/src
+INPUT                  = @CMAKE_SOURCE_DIR@/src @CMAKE_SOURCE_DIR@/include/ral
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses