[tmux] Add basic tmux config.

tmux/tmux.conf

@@ -0,0 +1,22 @@
+set -g default-terminal 'screen-256color'
+set -g mouse on
+
+run 'if [ -d "~/.tmux/plguins/tpm" ]; then : ; else git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm; fi'
+
+ set -g @tpm_plugins '            \
+   tmux-plugins/tpm               \
+   tmux-plugins/tmux-sensible     \
+   tmux-plugins/tmux-resurrect    \
+   tmux-plugins/tmux-continuum    \
+   tmux-plugins/tmux-pain-control \
+   egel/tmux-gruvbox              \
+ '
+
+set -g @tmux-gruvbox 'dark'
+
+set -g @resurrect-strategy-nvim 'session'
+set -g @resurrect-capture-pane-contents 'on'
+
+set -g @continuum-restore 'on'
+
+run '~/.tmux/plugins/tpm/tpm'