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

tldr/ibmcloud

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ibmcloud
+
+> A command-line tool for managing IBM Cloud apps and services.
+> More information: <https://cloud.ibm.com/docs/cli?topic=cli-ibmcloud_cli>.
+
+- Update `ibmcloud` to the latest version:
+
+`ibmcloud update`
+
+- Install the Cloud Foundry module for accessing Cloud Foundry services:
+
+`ibmcloud cf install`
+
+- List all available IBM Cloud regions:
+
+`ibmcloud regions`
+
+- Display help:
+
+`ibmcloud help`
+
+- Display help for a subcommand:
+
+`ibmcloud help {{subcommand}}`
+
+- Display version:
+
+`ibmcloud version`