feat(win32 gui): add font selection palette

closes #102

src/keybind/builtin/emacs.json

@@ -81,6 +81,7 @@
             ["ctrl+x ctrl+f", "open_file"],
             ["ctrl+x b", "open_recent"],
             ["alt+x", "open_command_palette"],
+            ["f", "change_fontface"],
             ["ctrl+x ctrl+c", "quit"]
         ]
     }

src/keybind/builtin/flow.json

@@ -207,6 +207,7 @@
             ["g", "open_gui_config"],
             ["k", "open_keybind_config"],
             ["t", "change_theme"],
+            ["f", "change_fontface"],
             ["q", "quit"],
             ["ctrl+\\", "add_split"],
             ["ctrl+f ctrl+f ctrl+f ctrl+f ctrl+f", "home_sheeran"],

src/keybind/builtin/helix.json

@@ -515,6 +515,7 @@
             ["b", "open_keybind_config"],
             ["j", "home_menu_down"],
             ["k", "home_menu_up"],
+            ["f", "change_fontface"],
             ["space", "home_menu_activate"]
         ]
     } 

src/keybind/builtin/vim.json

@@ -100,6 +100,7 @@
             ["b", "open_keybind_config"],
             ["j", "home_menu_down"],
             ["k", "home_menu_up"],
+            ["f", "change_fontface"],
             ["<Space>", "home_menu_activate"]
         ]
     }