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

tldr/smartctl

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# smartctl
+
+> Monitor disk health including SMART data.
+> More information: <https://www.smartmontools.org>.
+
+- Display SMART health summary:
+
+`sudo smartctl --health {{/dev/sdX}}`
+
+- Display device information:
+
+`sudo smartctl --info {{/dev/sdX}}`
+
+- Start a short self-test in the background:
+
+`sudo smartctl --test short {{/dev/sdX}}`
+
+- Display current/last self-test status and other SMART capabilities:
+
+`sudo smartctl --capabilities {{/dev/sdX}}`
+
+- Display exhaustive SMART data:
+
+`sudo smartctl --all {{/dev/sdX}}`