patch 8.2.0105: Vim license not easy to find on github

Problem:    Vim license not easy to find on github.
Solution:   Add a separate LICENCE file. (closes #5458)
diff --git a/src/version.c b/src/version.c
index 3362ab5..1f54a4a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    105,
+/**/
     104,
 /**/
     103,