website/scripts/docsmg: final version (#11501)

* add docsmg tool

* moved to the correct scripts directory

* removed test files

* added install script and readme draft to docsmg

* fix install script

* fixed issues

* Revert "fixed issues"

This reverts commit a51192025f.

* Revert "Revert "fixed issues""

This reverts commit ab68918fea.

* added dotenv and updated readme

* fixed install script

* update readme to ensure that new installers of rust have envs loaded

* changed docsmg from using .env to docsmg.env

* fixed docsmg to fix internal links in file

* fixed docsmg migrate not making directories to file

* fixed docsmg migrate trying to read pngs to string

* did stuff

* fix links

* fix links 2

* fix links 3

* fix links

* fix links

* fix links

* fix links

* fix links

* fixed docsmg migrate replacing links

* fixed docsmg migrate replacing links

* fixed docsmg migrate replacing links

* fixed docsmg migrate replacing links

* fixed links

* update docsmg fixing links

* update docsmg fixing links

* update docsmg fixing links

* update docsmg removing empty directories

* remove changed docs

* Revert "remove changed docs"

This reverts commit 2e21a5bac8.

* remove changed docs

* fixed readme

---------

Signed-off-by: Tana M Berry <tanamarieberry@yahoo.com>
Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>

website/scripts/docsmg/src/migratefile.rs

@@ -10,6 +10,7 @@ pub fn read_migrate_file(file: PathBuf) -> anyhow::Result<Vec<(PathBuf, PathBuf)
     let migrations = lines
         .iter()
         .filter_map(|x| x.split_once(" -> "))
+        .filter(|x| !(x.0 == x.1))
         .map(|x| {
             (
                 x.0.parse().expect("a valid path"),