Update cheatsheets

ngrok

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ngrok
+
+> Reverse proxy that creates a secure tunnel from a public endpoint to a locally running web service.
+> More information: <https://ngrok.com>.
+
+- Expose a local HTTP service on a given port:
+
+`ngrok http {{80}}`
+
+- Expose a local HTTP service on a specific host:
+
+`ngrok http {{foo.dev}}:{{80}}`
+
+- Expose a local HTTPS server:
+
+`ngrok http https://localhost`
+
+- Expose TCP traffic on a given port:
+
+`ngrok tcp {{22}}`
+
+- Expose TLS traffic for a specific host and port:
+
+`ngrok tls -hostname={{foo.com}} {{443}}`