added keybinding extendable logic

user_config/usr/share/app_name/Main_Window.glade

@@ -1,12 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.1 -->
+<!-- Generated with glade 3.38.2 -->
 <interface>
   <requires lib="gtk+" version="3.20"/>
   <object class="GtkApplicationWindow" id="Main_Window">
-    <property name="can_focus">False</property>
-    <child>
-      <placeholder/>
-    </child>
+    <property name="can-focus">False</property>
+    <signal name="key-release-event" handler="on_global_key_release_controller" swapped="no"/>
     <child>
       <placeholder/>
     </child>

user_config/usr/share/app_name/key-bindings.json

@@ -0,0 +1,23 @@
+{
+    "keybindings": {
+        "help"                   : "F1",
+        "rename_files"           : ["F2", "<Control>e"],
+        "open_terminal"          : "F4",
+        "refresh_tab"            : ["F5", "<Control>r"],
+        "delete_files"           : "Delete",
+        "tggl_top_main_menubar"  : "<Alt>",
+        "trash_files"            : "<Shift><Control>t",
+        "tear_down"              : "<Control>q",
+        "go_up"                  : "<Control>Up",
+        "go_home"                : "<Control>slash",
+        "grab_focus_path_entry"  : "<Control>l",
+        "open_files"             : "<Control>o",
+        "show_hide_hidden_files" : "<Control>h",
+        "keyboard_create_tab"    : "<Control>t",
+        "keyboard_close_tab"     : "<Control>w",
+        "keyboard_copy_files"    : "<Control>c",
+        "keyboard_cut_files"     : "<Control>x",
+        "paste_files"            : "<Control>v",
+        "show_new_file_menu"     : "<Control>n"
+    }
+}