added fish.conf

fish/config.fish

@@ -0,0 +1,5 @@
+if status is-interactive
+    # Commands to run in interactive sessions can go here
+    alias build_kernel "sudo make -j12"
+    alias install_kernel "sudo make install && sudo make modules_install && sudo emerge @module-rebuild -q && sudo grub-mkconfig -o /boot/grub/grub.cfg"
+end