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

tldr/nkf

@@ -0,0 +1,34 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# nkf
+
+> Network kanji filter.
+> Converts kanji code from one encoding to another.
+> More information: <https://manned.org/nkf>.
+
+- Convert to UTF-8 encoding:
+
+`nkf -w {{path/to/file.txt}}`
+
+- Convert to SHIFT_JIS encoding:
+
+`nkf -s {{path/to/file.txt}}`
+
+- Convert to UTF-8 encoding and overwrite the file:
+
+`nkf -w --overwrite {{path/to/file.txt}}`
+
+- Use LF as the new line code and overwrite (UNIX type):
+
+`nkf -d --overwrite {{path/to/file.txt}}`
+
+- Use CRLF as the new line code and overwrite (windows type):
+
+`nkf -c --overwrite {{path/to/file.txt}}`
+
+- Decrypt mime file and overwrite:
+
+`nkf -m --overwrite {{path/to/file.txt}}`