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

tldr/unrar

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# unrar
+
+> Extract RAR archives.
+> More information: <https://manned.org/unrar>.
+
+- Extract files with original directory structure:
+
+`unrar x {{compressed.rar}}`
+
+- Extract files to a specified path with the original directory structure:
+
+`unrar x {{compressed.rar}} {{path/to/extract}}`
+
+- Extract files into current directory, losing directory structure in the archive:
+
+`unrar e {{compressed.rar}}`
+
+- Test integrity of each file inside the archive file:
+
+`unrar t {{compressed.rar}}`
+
+- List files inside the archive file without decompressing it:
+
+`unrar l {{compressed.rar}}`