Add web front-end and fix API issues

node_modules/shell-quote/security.md

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+# Security Policy
+
+## Supported Versions
+
+Only the latest major version is supported at any given time.
+
+## Reporting a Vulnerability
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure.