dolt-init: add page (#8833)

pages/common/dolt-init.md

@@ -0,0 +1,12 @@
+# dolt init
+
+> Create an empty Dolt data repository.
+> More information: <https://docs.dolthub.com/cli-reference/cli#dolt-init>.
+
+- Initialize a new Dolt data repository in the current directory:
+
+`dolt init`
+
+- Initialize a new Dolt data repository creating a commit with the specified metadata:
+
+`dolt init --name "{{name}}" --email "{{email}}" --date "{{2021-12-31T00:00:00}}" -b "{{branch_name}}"`