zsh: add zshrc.d

zshrc.d/keybindings.zsh

@@ -0,0 +1,14 @@
+# emacs mode
+bindkey -e
+
+bindkey '^[[H' beginning-of-line
+bindkey '^[[F' end-of-line
+
+# Even though 'showkey -a' gives the mappings above, these are required when using 
+# MobaXterm at least (and possibly plain putty). NO idea why.
+# See https://github.com/ohmyzsh/ohmyzsh/issues/4872 for speculation...
+bindkey "\033[1~" beginning-of-line
+bindkey "\033[4~" end-of-line
+
+bindkey '^[[1;5D' backward-word
+bindkey '^[[1;5C' forward-word