make Ctrl-Backspace delete a word in insert mode

added most important of all command :viusage to the shortcuts.txt (which
is my custom and less comprehensive version of viusage)

added gitignore file from github as a reference.

1 files changed, 4 insertions, 0 deletions

diff --git a/doc/shortcuts.txt b/doc/shortcuts.txt
index 9162df8..540f086 100644
--- a/doc/shortcuts.txt
+++ b/doc/shortcuts.txt
@@ -1,3 +1,5 @@
+:viusage        = summary of all keyboard shortcuts
+:options        = shows currently :set options (with descriptions)
 leader key      = usually set to backslash expects a quick command
 
 
@@ -61,6 +63,8 @@ dp              = put changes from current window into the other
 ]c              = jump to the next change
 [c              = jump to the prevous change
 zR              = opens all folds (unfold all)
+zE              = eliminates all folds
+z=              = show spellcheck suggestions
 
 [vim modeline]
 the last line can be a mode line, which holds settings like tab width: