Migration page (#466)

* add migration page

Signed-off-by: Carlos Santana <csantana23@gmail.com>

* add migration page and all redirects

Signed-off-by: Carlos Santana <csantana23@gmail.com>

* fix spell check

Signed-off-by: Carlos Santana <csantana23@gmail.com>

* fix broken link

Signed-off-by: Carlos Santana <csantana23@gmail.com>

Author: Carlos Santana

cspell.json

@@ -84,7 +84,9 @@
         "toolkit's",
         "mynamespace",
         "autoplay",
-        "allowfullscreen"
+        "allowfullscreen",
+        "mgmt",
+        "Repos"
     ],
     // flagWords - list of words to be always considered incorrect
     // This is useful for offensive words and common spelling errors.