adding tmux config

tmux.conf

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+# 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
+
+# make window/pane index start with 1
+set -g base-index 1
+setw -g pane-base-index 1
+
+######################
+#### Key Bindings ####
+######################
+
+# reload config file
+bind r source-file ~/.tmux.conf \; display "Config Reloaded!"
+
+# split window
+bind | split-window -h
+bind - split-window -v
+
+# pane movement shortcuts
+bind h select-pane -L
+bind j select-pane -D
+bind k select-pane -U
+bind l select-pane -R
+
+bind -r C-h select-window -t :-
+bind -r C-l select-window -t :+
+
+# Resize pane shortcuts
+bind -r H resize-pane -L 5
+bind -r J resize-pane -D 5
+bind -r K resize-pane -U 5
+bind -r L resize-pane -R 5
+
+# enable mouse mode
+setw -g mode-mouse on
+set -g mouse-select-pane on
+set -g mouse-resize-pane on
+set -g mouse-select-window on
+
+# tmux display things in 256 colors
+set -g default-terminal "screen-256color"
+
+# maximizing and restoring windows
+unbind Up
+bind Up new-window -d -n fullscreen \; swap-pane -s fullscreen.1 \; select-window -t fullscreen
+unbind Down
+bind Down last-window \; swap-pane -s fullscreen.1 \; kill-window -t fullscreen
+
+######################
+### Color Settings ###
+######################
+
+#### COLOUR
+
+# default statusbar colors
+set-option -g status-bg colour235 #base02
+set-option -g status-fg colour51 #blue
+set-option -g status-attr default
+
+# default window title colors
+set-window-option -g window-status-fg colour244
+set-window-option -g window-status-bg default
+#set-window-option -g window-status-attr dim
+
+# active window title colors
+set-window-option -g window-status-current-fg colour51 #blue
+set-window-option -g window-status-current-bg default
+#set-window-option -g window-status-current-attr bright
+
+# pane border
+set-option -g pane-border-fg colour235 #base02
+set-option -g pane-active-border-fg colour240 #base01
+
+# message text
+set-option -g message-bg colour235 #base02
+set-option -g message-fg colour51 #blue
+
+# pane number display
+set-option -g display-panes-active-colour colour33 #blue
+set-option -g display-panes-colour colour166 #orange
+
+# clock
+set-window-option -g clock-mode-colour colour64 #green
+
+# set vi mode for copy mode
+setw -g mode-keys vi
+# more settings to make copy-mode more vim-like
+unbind [
+bind Escape copy-mode
+unbind p
+bind p paste-buffer
+bind -t vi-copy 'v' begin-selection
+bind -t vi-copy 'y' copy-selection