tmux: add initial .tmux.conf

Signed-off-by: Alejandro Mery <amery@geeks.cl>

files/.tmux.conf

@@ -0,0 +1,20 @@
+# same prefix as `screen`
+set -g prefix C-a
+unbind C-b
+
+# 0-indexed is not keyboard friendly
+set -g base-index 1
+set -g pane-base-index 1
+
+# misc features
+set -s escape-time 1
+setw -g mode-mouse on
+
+# reload
+bind r source-file ~/.tmux.conf \; display "Reloaded!"
+# send C-a
+bind C-a send-prefix
+
+# panes
+bind | split-window -h
+bind - split-window -v