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

tldr/git-check-attr

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git check-attr
+
+> For every pathname, list if each attribute is unspecified, set, or unset as a gitattribute on that pathname.
+> More information: <https://git-scm.com/docs/git-check-attr>.
+
+- Check the values of all attributes on a file:
+
+`git check-attr --all {{path/to/file}}`
+
+- Check the value of a specific attribute on a file:
+
+`git check-attr {{attribute}} {{path/to/file}}`
+
+- Check the values of all attributes on specific files:
+
+`git check-attr --all {{path/to/file1 path/to/file2 ...}}`
+
+- Check the value of a specific attribute on one or more files:
+
+`git check-attr {{attribute}} {{path/to/file1 path/to/file2 ...}}`