Add tmux config, fix ssh config, updated nvim pkg

config/tmux/tmux.conf

@@ -0,0 +1,53 @@
+# ~/.config/tmux/tmux.conf, or .dotfiles/config/tmux/tmux.conf
+#
+# Contains configuration from the follwing sources:
+# - https://tmuxguide.readthedocs.io/en/latest/tmux/tmux.html
+# - 
+
+# unbind default prefix and set it to ctrl-a
+unbind C-b
+set -g prefix C-a
+bind C-a send-prefix
+
+# make delay shorter
+set -sg escape-time 0
+
+
+
+#### key bindings ####
+
+# reload config file
+bind r source-file ~/.dotfiles/config/tmux/tmux.conf \; display "tmux.conf reloaded!"
+
+# quickly open a new window
+bind N new-window
+
+# synchronize all panes in a window
+bind y setw synchronize-panes
+
+# pane movement shortcuts (same as vim)
+bind h select-pane -L
+bind j select-pane -D
+bind k select-pane -U
+bind l select-pane -R
+
+# enable mouse support for switching panes/windows
+#set -g mouse-utf8 on
+#set -g mouse on
+
+#### copy mode : vim ####
+
+# set vi mode for copy mode
+setw -g mode-keys vi
+
+# copy mode using 'Esc'
+unbind [
+bind Escape copy-mode
+
+# start selection with 'space' and copy using 'y'
+#bind -t vi-copy 'y' copy-selection
+
+# paste using 'p'
+unbind p
+bind p paste-buffer
+