move the WIP libraries to a category

recipes/wip/libs/kf5-activities/kf5-sysguard/recipe.toml

recipes/wip/libs/kf5-activities/kf5-texteditor/recipe.toml

recipes/wip/libs/kf5-activities/kf5-textwidgets/recipe.toml

recipes/wip/libs/kf5-activities/kf5-threadweaver/recipe.toml

...es/wip/libs/kf5-activities/kf5-unitconversion/recipe.toml

recipes/wip/libs/kf5-activities/kf5-wayland/recipe.toml

recipes/wip/libs/kf5-activities/kf5-widgetaddons/recipe.toml

recipes/wip/libs/kf5-activities/kf5-windowsystem/recipe.toml

recipes/wip/libs/kf5-activities/kf5-xmlgui/recipe.toml

recipes/wip/libs/kf5-activities/recipe.toml

recipes/wip/libs/librdf/lib2geom/recipe.toml

recipes/wip/libs/librdf/liba52/recipe.toml

recipes/wip/libs/librdf/libadwaita/recipe.toml

recipes/wip/libs/librdf/libaio/recipe.toml

recipes/wip/libs/librdf/libaom/recipe.toml

recipes/wip/libs/librdf/libargon2/recipe.toml

recipes/wip/libs/librdf/libart/recipe.toml

recipes/wip/libs/librdf/libaspell/recipe.toml

recipes/wip/libs/librdf/libass/recipe.toml

recipes/wip/libs/librdf/libatomic_ops/recipe.toml