website/scripts: Add docsmg migration tool (#10658)

* add docsmg tool

* moved to the correct scripts directory

* removed test files

website/scripts/docsmg/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "docsmg"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.86"
+clap = { version = "4.5.9", features = ["derive", "env"] }
+colored = "2.1.0"
+lazy_static = "1.5.0"
+regex = "1.10.5"
+tokio = "1.38.0"