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

tldr/lz4

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lz4
+
+> Compress or decompress .lz4 files.
+> More information: <https://github.com/lz4/lz4>.
+
+- Compress a file:
+
+`lz4 {{path/to/file}}`
+
+- Decompress a file:
+
+`lz4 -d {{file.lz4}}`
+
+- Decompress a file and write to `stdout`:
+
+`lz4 -dc {{file.lz4}}`
+
+- Package and compress a directory and its contents:
+
+`tar cvf - {{path/to/directory}} | lz4 - {{dir.tar.lz4}}`
+
+- Decompress and unpack a directory and its contents:
+
+`lz4 -dc {{dir.tar.lz4}} | tar -xv`
+
+- Compress a file using the best compression:
+
+`lz4 -9 {{path/to/file}}`