dolt-commit: add page (#5527)

* dolt-commit: add page

* add example date for clarity

pages/common/dolt-commit.md

@@ -0,0 +1,32 @@
+# dolt commit
+
+> Commit staged changes to tables.
+> More information: <https://docs.dolthub.com/interfaces/cli#dolt-commit>.
+
+- Commit all staged changes, opening the editor specified by `$EDITOR` to enter the commit message:
+
+`dolt commit`
+
+- Commit all staged changes with the specified message:
+
+`dolt commit --message "{{commit_message}}"`
+
+- Stage all unstaged changes to tables before committing:
+
+`dolt commit --all`
+
+- Use the specified ISO 8601 commit date (defaults to current date and time):
+
+`dolt commit --date "{{2021-12-31T00:00:00}}"`
+
+- Use the specified author for the commit:
+
+`dolt commit --author "{{author_name}} <{{author_email}}>"`
+
+- Allow creating an empty commit, with no changes:
+
+`dolt commit --allow-empty`
+
+- Ignore foreign key warnings:
+
+`dolt commit --force`