patch 8.0.1764: lgtm considers tutor.es to be EcmaScript

Problem:    Lgtm considers tutor.es to be EcmaScript.
Solution:   Add a config file for lgtm. (Bas van Schaik, closes #2844)

Author: brammool

.lgtm.yml

@@ -0,0 +1,4 @@
+# Format of this file: https://lgtm.com/help/lgtm/lgtm.yml-configuration-file
+path_classifiers:
+  documentation:
+    - runtime/tutor/tutor*

Filelist

@@ -4,6 +4,7 @@
 # source files for all source archives
 SRC_ALL =	\
 		.hgignore \
+		.lgtm.yml \
 		.travis.yml \
 		appveyor.yml \
 		src/appveyor.bat \

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1764,
 /**/
     1763,
 /**/