Add asdf plugin to Fish and rename el8

Using de as a shortcut for docker-compose elation, becuase two keys is
better than three!

config/fish/functions/asdf.fish

@@ -0,0 +1,15 @@
+#!/usr/bin/env fish
+
+set -l asdf_dir (dirname (status -f))
+set -l asdf_data_dir (
+  if test -n "$ASDF_DATA_DIR"; echo $ASDF_DATA_DIR;
+  else; echo $HOME/.asdf; end)
+
+# Add asdf to PATH
+set -l asdf_bin_dirs $asdf_dir/bin $asdf_dir/shims $asdf_data_dir/shims
+
+for x in $asdf_bin_dirs
+  if begin not contains $x $PATH; and test -d $x; end
+    set -gx PATH $x $PATH
+  end
+end

config/fish/functions/de.fish

@@ -1,4 +1,4 @@
-function el8
+function de
 	pushd ~/devel/elationemr/hippo
 	docker-compose $argv
 	popd