Add web shortcut to docs and shortcut modal

app/views/help/_shortcuts.html.haml

@@ -231,6 +231,17 @@
                   %td.shortcut
                     .key y
                   %td Go to file permalink
+              %tbody
+                %tr
+                  %th
+                  %th Web IDE
+                %tr
+                  %td.shortcut
+                    - if browser.platform.mac?
+                      .key ⌘ p
+                    - else
+                      .key ctrl p
+                  %td Go to file
           .col-lg-4
             %table.shortcut-mappings
               %tbody.hidden-shortcut.network{ style: 'display:none' }

changelogs/unreleased/jr-web-ide-shortcuts.yml

+---
+title: Add shortcuts to Web IDE docs and modal
+merge_request: 19044
+author:
+type: changed

doc/workflow/shortcuts.md

@@ -88,3 +88,9 @@ You can see GitLab's keyboard shortcuts by using 'shift + ?'
 | Keyboard Shortcut | Description |
 | ----------------- | ----------- |
 | <kbd>e</kbd> | Edit wiki page|
+
+## Web IDE
+
+| Keyboard Shortcut | Description |
+| ----------------- | ----------- |
+| <kbd>⌘</kbd> + <kbd>p</kbd> | Go to file |