Shortcut .rc file.

Because typing ". /profile/path/.bash_profile" is too time-consuming.

diff --git a/.rc b/.rc
new file mode 120000 (symlink)
index 0000000..6cc8412
--- /dev/null
+++ b/.rc
@@ -0,0 +1 @@
+.bash_profile
\ No newline at end of file