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

tldr/git-commit-tree

@@ -0,0 +1,26 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git commit-tree
+
+> Low level utility to create commit objects.
+> See also: `git commit`.
+> More information: <https://git-scm.com/docs/git-commit-tree>.
+
+- Create a commit object with the specified message:
+
+`git commit-tree {{tree}} -m "{{message}}"`
+
+- Create a commit object reading the message from a file (use `-` for `stdin`):
+
+`git commit-tree {{tree}} -F {{path/to/file}}`
+
+- Create a GPG-signed commit object:
+
+`git commit-tree {{tree}} -m "{{message}}" --gpg-sign`
+
+- Create a commit object with the specified parent commit object:
+
+`git commit-tree {{tree}} -m "{{message}}" -p {{parent_commit_sha}}`