Add TPM to manage plugins, add plugins for defaults and navigation

- Add Tmux Plugin Manager
- Add plugin for sane defaults
- Add plugin for pane navigation
- Replace `set-option` with `set` shorthand

tmux/.tmux.conf

@@ -1,21 +1,30 @@
-# Remap prefix from C-b to C-\
+# Remap prefix from C-b to `
 unbind-key C-b
-set-option -g prefix 'C-\'
-bind-key 'C-\' send-prefix
+set -g prefix '`'
+bind-key '`' send-prefix
 
 # Easy reload config file
 bind R source-file ~/.tmux.conf \; display-message "Reloaded!"
 
 # 256-color terminal
-set-option -g default-terminal "tmux-256color"
+set -g default-terminal "tmux-256color"
 
 # Add truecolor support (tmux info | grep Tc)
-set-option -ga terminal-overrides ",xterm-256color:Tc"
+set -ga terminal-overrides ",tmux-256color:Tc"
 
 # Enable mouse-control
 set -g mouse on
 
 # Configure status bar
 #
-set-option -g status-style fg=black,bg=white
-set-option -g status-position bottom
+set -g status-style fg=black,bg=white
+
+set -g @plugin 'tmux-plugins/tpm'
+set -g @plugin 'tmux-plugins/tmux-sensible'
+set -g @plugin 'tmux-plugins/tmux-pain-control'
+
+if "test ! -d ~/.tmux/plugins/tpm" \
+   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"
+
+run '~/.tmux/plugins/tpm/tpm'
+