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

tldr/git-diff-tree

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git diff-tree
+
+> Compares the content and mode of blobs found via two tree objects.
+> More information: <https://git-scm.com/docs/git-diff-tree>.
+
+- Compare two tree objects:
+
+`git diff-tree {{tree-ish1}} {{tree-ish2}}`
+
+- Show changes between two specific commits:
+
+`git diff-tree -r {{commit1}} {{commit2}}`
+
+- Display changes in patch format:
+
+`git diff-tree -p {{tree-ish1}} {{tree-ish2}}`
+
+- Filter changes by a specific path:
+
+`git diff-tree {{tree-ish1}} {{tree-ish2}} -- {{path/to/file_or_directory}}`