Added support for the nit language in grammars.yml, updated languages.yml for .nit source files highlighting

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>

.gitmodules

@@ -534,3 +534,6 @@
 [submodule "vendor/grammars/carto-atom"]
 	path = vendor/grammars/carto-atom
 	url = https://github.com/yohanboniface/carto-atom
+[submodule "vendor/grammars/Sublime-Nit"]
+	path = vendor/grammars/Sublime-Nit
+	url = https://github.com/R4PaSs/Sublime-Nit

grammars.yml

@@ -74,6 +74,8 @@ vendor/grammars/Sublime-Logos:
 - source.logos
 vendor/grammars/Sublime-Loom:
 - source.loomscript
+vendor/grammars/Sublime-Nit:
+- source.nit
 vendor/grammars/Sublime-QML:
 - source.qml
 vendor/grammars/Sublime-REBOL:

lib/linguist/languages.yml

@@ -1912,7 +1912,7 @@ Nit:
   color: "#0d8921"
   extensions:
   - .nit
-  tm_scope: none
+  tm_scope: source.nit
   ace_mode: text
 
 Nix: