git-ls-tree, git-rev-list, git-rev-parse: add pages (#3644)

pages/common/git-ls-tree.md

@@ -0,0 +1,16 @@
+# git ls-tree
+
+> List the contents of a tree object.
+> More information: <https://git-scm.com/docs/git-ls-tree>.
+
+- List the contents of the tree on a branch:
+
+`git ls-tree {{branch_name}}`
+
+- List the contents of the tree on a commit, recursing into subtrees:
+
+`git ls-tree -r {{commit_hash}}`
+
+- List only the filenames of the tree on a commit:
+
+`git ls-tree --name-only {{commit_hash}}`