tmux conf, and minor changes

.config/tmux/tmux.conf

@@ -0,0 +1,24 @@
+set -g default-terminal "tmux-256color"
+set -ag terminal-overrides ",xterm-256color:RGB"
+
+unbind C-b
+set-option -g prefix C-a
+bind-key C-a send-prefix
+set -g status-style 'bg=#181926 fg=#cad3f5'
+set-option -g status-position top
+set -g status-left-length 20
+
+bind r source-file ~/.config/tmux/tmux.conf
+set -g base-index 1
+
+set-window-option -g mode-keys vi
+bind -T copy-mode-vi v send-keys -X begin-selection
+bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'xclip -in -selection clipboard'
+
+# vim-like pane switching
+bind -r ^ last-window
+bind -r k select-pane -U
+bind -r j select-pane -D
+bind -r h select-pane -L
+bind -r l select-pane -R
+