Move pages under tldr, lint run.sh, update docs

tldr/speed-test

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# speed-test
+
+> Test your internet connection speed and ping using <https://speedtest.net>.
+> More information: <https://github.com/sindresorhus/speed-test>.
+
+- Test your internet connection and ping speed:
+
+`speed-test`
+
+- Print the results as JSON:
+
+`speed-test --json`
+
+- Print the results in megabytes per second (MBps):
+
+`speed-test --bytes`
+
+- Print more detailed information:
+
+`speed-test --verbose`