feat(bspwm,i3): Fuzzy-matching names for icons

Added support for fuzzy matching workspace names when assigning icons.
This feature is enabled/disabled through a new option, 'fuzzy-match'.
It is disabled by default.

include/modules/bspwm.hpp

@@ -79,6 +79,7 @@ namespace modules {
     bool m_pinworkspaces{true};
     bool m_inlinemode{false};
     string_util::hash_type m_hash{0U};
+    bool m_fuzzy_match{false};
 
     // used while formatting output
     size_t m_index{0U};

include/modules/i3.hpp

@@ -72,6 +72,7 @@ namespace modules {
     bool m_indexsort{false};
     bool m_pinworkspaces{false};
     bool m_strip_wsnumbers{false};
+    bool m_fuzzy_match{false};
 
     unique_ptr<i3_util::connection_t> m_ipc;
   };