patch 9.0.2097: No support for cypher files

Problem:  No support for cypher files
Solution: Add cypher filetype detection

Cypher query language support to work with (mostly) graph databases.

Already existing lsp support in Neovim's nvim-lspconfig:
https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#cypher_ls

closes: #13516

Signed-off-by: Gerrit Meier <meistermeier@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 0de6171..7fb92a2 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -342,6 +342,9 @@
 au BufNewFile,BufRead *.cpp
 	\ if exists("cynlib_syntax_for_cpp")|setf cynlib|else|setf cpp|endif
 
+" Cypher query language
+au BufNewFile,BufRead *.cypher			setf cypher
+
 " C++
 au BufNewFile,BufRead *.cxx,*.c++,*.hh,*.hxx,*.hpp,*.ipp,*.moc,*.tcc,*.inl setf cpp
 if has("fname_case")
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index bde5c1b..6cfd69f 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -186,6 +186,7 @@
     cvs: ['cvs123'],
     cvsrc: ['.cvsrc'],
     cynpp: ['file.cyn'],
+    cypher: ['file.cypher'],
     d: ['file.d'],
     dart: ['file.dart', 'file.drt'],
     datascript: ['file.ds'],
diff --git a/src/version.c b/src/version.c
index 292df39..0883cae 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2097,
+/**/
     2096,
 /**/
     2095,