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

tldr/mycli

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# mycli
+
+> A command-line client for MySQL that can do auto-completion and syntax highlighting.
+> More information: <https://mycli.net>.
+
+- Connect to a local database on port 3306, using the current user's username:
+
+`mycli {{database_name}}`
+
+- Connect to a database (user will be prompted for a password):
+
+`mycli -u {{username}} {{database_name}}`
+
+- Connect to a database on another host:
+
+`mycli -h {{database_host}} -P {{port}} -u {{username}} {{database_name}}`