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

tldr/nano

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# nano
+
+> Command-line text editor. An enhanced `Pico` clone.
+> More information: <https://nano-editor.org>.
+
+- Start the editor:
+
+`nano`
+
+- Start the editor without using configuration files:
+
+`nano --ignorercfiles`
+
+- Open specific files, moving to the next file when closing the previous one:
+
+`nano {{path/to/file1 path/to/file2 ...}}`
+
+- Open a file and position the cursor at a specific line and column:
+
+`nano +{{line}},{{column}} {{path/to/file}}`
+
+- Open a file and enable soft wrapping:
+
+`nano --softwrap {{path/to/file}}`
+
+- Open a file and indent new lines to the previous line's indentation:
+
+`nano --autoindent {{path/to/file}}`
+
+- Open a file and create a backup file (`path/to/file~`) on save:
+
+`nano --backup {{path/to/file}}`