Trying to run cors-anywhere locally

server/node_modules/cors-anywhere/lib/help.txt

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+This API enables cross-origin requests to anywhere.
+
+Usage:
+
+/               Shows help
+/iscorsneeded   This is the only resource on this host which is served without CORS headers.
+/<url>          Create a request to <url>, and includes CORS headers in the response.
+
+If the protocol is omitted, it defaults to http (https if port 443 is specified).
+
+Cookies are disabled and stripped from requests.
+
+Redirects are automatically followed. For debugging purposes, each followed redirect results
+in the addition of a X-CORS-Redirect-n header, where n starts at 1. These headers are not
+accessible by the XMLHttpRequest API.
+After 5 redirects, redirects are not followed any more. The redirect response is sent back
+to the browser, which can choose to follow the redirect (handled automatically by the browser).
+
+The requested URL is available in the X-Request-URL response header.
+The final URL, after following all redirects, is available in the X-Final-URL response header.
+
+
+To prevent the use of the proxy for casual browsing, the API requires either the Origin
+or the X-Requested-With header to be set. To avoid unnecessary preflight (OPTIONS) requests,
+it's recommended to not manually set these headers in your code.
+
+
+Demo          :   https://robwu.nl/cors-anywhere.html
+Source code   :   https://github.com/Rob--W/cors-anywhere/
+Documentation :   https://github.com/Rob--W/cors-anywhere/#documentation