patch 8.1.0075: no Vim logo in README file

Problem:    No Vim logo in README file.
Solution:   Add one. (Árni Dagur, closes #3024)

README.md

@@ -1,5 +1,7 @@
 `README.md` for version 8.1 of Vim: Vi IMproved.
 
+![Vim Logo](https://github.com/vim/vim/blob/master/runtime/vimlogo.gif)
+
 [![Build Status](https://travis-ci.org/vim/vim.svg?branch=master)](https://travis-ci.org/vim/vim)
 [![Coverage Status](https://codecov.io/gh/vim/vim/coverage.svg?branch=master)](https://codecov.io/gh/vim/vim?branch=master)
 [![Coverage Status](https://coveralls.io/repos/vim/vim/badge.svg?branch=master&service=github)](https://coveralls.io/github/vim/vim?branch=master)

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    75,
 /**/
     74,
 /**/