Improve install instructions in npm package

The npm package's README explains how to install the npm package. The
package isn't too useful, since people will probably want to install the
VS Code extension instead. Point them in the right direction by linking
to our website's install instructions or the VS Code extension directly.

Author: strager

dist/npm/README.md

@@ -14,34 +14,14 @@ quick-lint-js finds many bugs, including:
 
 ## Installing
 
-### Install within project
-
-Install quick-lint-js so anyone can use it when hacking on your project:
-
-    # Linux and macOS with npm:
-    $ npm install quick-lint-js --save-dev --save-exact
-    $ node_modules/.bin/quick-lint-js --version
-
-    # Linux and macOS with yarn:
-    $ yarn add quick-lint-js --dev --exact
-    $ node_modules/.bin/quick-lint-js --version
-
-    # Windows with npm:
-    $ npm install quick-lint-js --save-dev --save-exact
-    $ node_modules\.bin\quick-lint-js.cmd --version
-
-    # Windows with yarn:
-    $ yarn add quick-lint-js --dev --exact
-    $ node_modules\.bin\quick-lint-js.cmd --version
-
-### Install globally
-
-Install quick-lint-js on your machine for use anywhere:
-
-    # Linux and macOS:
-    $ sudo npm install --global --unsafe-perm quick-lint-js
-    $ quick-lint-js --version
-
-    # Windows:
-    $ npm install --global quick-lint-js
-    $ quick-lint-js.cmd --version
+quick-lint-js is designed to be used with your JavaScript editor. See the
+[install documentation](https://quick-lint-js.com/install/) for all installation
+options.
+
+* [Visual Studio
+  Code](https://marketplace.visualstudio.com/items?itemName=quick-lint.quick-lint-js)
+* [VSCodium](https://open-vsx.org/extension/quick-lint/quick-lint-js)
+* [Vim](https://quick-lint-js.com/install/vim/)
+* [Neovim](https://quick-lint-js.com/install/neovim/)
+* [Emacs](https://quick-lint-js.com/install/emacs/)
+* [CLI & LSP server](https://quick-lint-js.com/install/cli/npm/)