Pinned tabs are not closeable by 'd'

Added binding 'DD' to force tab close which also closes pinned tabs

src/shared/operations.js

@@ -33,6 +33,7 @@ export default {
 
   // Tabs
   TAB_CLOSE: 'tabs.close',
+  TAB_CLOSE_FORCE: 'tabs.close.force',
   TAB_REOPEN: 'tabs.reopen',
   TAB_PREV: 'tabs.prev',
   TAB_NEXT: 'tabs.next',

src/shared/settings/default.js

@@ -23,6 +23,7 @@ export default {
     "G": { "type": "scroll.bottom" },
     "$": { "type": "scroll.end" },
     "d": { "type": "tabs.close" },
+    "DD": { "type": "tabs.close.force" },
     "u": { "type": "tabs.reopen" },
     "K": { "type": "tabs.prev", "count": 1 },
     "J": { "type": "tabs.next", "count": 1 },