Install: Move devcontainer to be installed with npm

Having brew install node will conflict with the nvm installed version of
node. It can behave in weird ways, including having different versions
of node take priority whether in tmux or not.

install.sh

@@ -86,15 +86,20 @@ function performSetup() {
         sudo apt install build-essential visidata
     fi
 
+    # NOTE: Do not brew install anything with a dependency on node.
+    # Instead, install with npm -g.
+
     brew install \
         gcc \
         tmux neovim \
         eza bat fzf ripgrep fd jq gron \
         git lazygit git-delta \
-        crane dive devcontainer \
+        crane dive \
         go sqlite \
         stripe-cli restic
 
+    npm install -g @devcontainers/cli
+
     popd > /dev/null
 }