Fix bugs with installing asdf and yarn

install

@@ -87,6 +87,7 @@ fi
 
 if [ ! -d "$HOME/.asdf" ] ; then
   git clone https://github.com/asdf-vm/asdf.git "$HOME/.asdf"
+  . bashrc.d/asdf.bash
 else
   echo "Already have $HOME/.asdf"
   git -C ~/.asdf pull
@@ -106,6 +107,8 @@ for plugin in $ADD_AND_INSTALL ; do
 done
 unset ADD_AND_INSTALL
 
+# Enable Yarn
+corepack enable
 asdf reshim
 go install github.com/go-delve/delve/cmd/dlv@latest