Hello. Thanks for mapping.
About tagging with highway=footway
Please check this wiki when , what to tag.
https://wiki.openstreetmap.org/wiki/East_Africa_Tagging_Guidelines

 	Paths are usually impassable for motorised vehicles. (However, African motorcyclists can sometimes do the most improbable stunts.) In order to mark a path as appropriate for cycling, add bicycle=yes. Never use path to mark an unpaved or unsealed road in built-up residential areas: Such roads should be tagged according to the local conventions (usually highway=residential if passable by vehicles and pedestrians, or highway=footway for pedestrian only where they can sometimes be separated from another parallel highway for vehicles) and complemented by surface=*.
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            Published using OSMCha: https://osmcha.org/changesets/136044835
            