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

tldr/shar

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# shar
+
+> Create a shell archive.
+> More information: <https://manned.org/man/freebsd/shar>.
+
+- Create a shell script that when executed extracts the given files from itself:
+
+`shar {{path/to/file1 path/to/file2 ...}} > {{path/to/archive.sh}}`