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

tldr/basenc

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# basenc
+
+> Encode or decode file or `stdin` using a specified encoding, to `stdout`.
+> More information: <https://www.gnu.org/software/coreutils/basenc>.
+
+- Encode a file with base64 encoding:
+
+`basenc --base64 {{path/to/file}}`
+
+- Decode a file with base64 encoding:
+
+`basenc --decode --base64 {{path/to/file}}`
+
+- Encode from `stdin` with base32 encoding with 42 columns:
+
+`{{command}} | basenc --base32 -w42`
+
+- Encode from `stdin` with base32 encoding:
+
+`{{command}} | basenc --base32`