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

tldr/linux/termusic

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# termusic
+
+> A terminal music player written in Rust that uses vim-like key bindings.
+> More information: <https://github.com/tramhao/termusic>.
+
+- Open termusic to a specific directory. (It can be set permanently in `~/.config/termusic/config.toml`):
+
+`termusic {path/to/directory}`
+
+- Disable showing the album cover for a specific file:
+
+`termusic -c {path/to/music_file}`
+
+- Display help:
+
+`termusic --help`