fix issue #74 by adding an example bashrc

example.bashrc

@@ -0,0 +1,23 @@
+
+# if you want to use the liquidprompt without bothering about its configuration,
+# just:
+# cp example.bashrc ~/.bashrc
+
+# This part is a minimalist bash config file example
+
+# Use the system config if any
+if [ -f /etc/bashrc ]; then
+        . /etc/bashrc   # --> Read /etc/bashrc, if present.
+fi
+
+# Use bash completion, if installed
+if [ -f /etc/bash_completion ]; then
+    . /etc/bash_completion
+fi
+
+# If you have your own config for the liquid prompt, edit and uncomment this line:
+# source /path/to/liquidpromptrc
+
+# Use the liquidprompt
+source ~/.liquidprompt
+