Add Forge Mod Loader Mod Info file as JSON (#2941)

* Add Forge Mod Loader Mod Info file as JSON

* Add Forge Mod Loader Mod Info File

* Rename samples/JSON/mcmod.info to samples/JSON/filenames/mcmod.info

lib/linguist/languages.yml

@@ -1627,6 +1627,7 @@ JSON:
   filenames:
   - .jshintrc
   - composer.lock
+  - mcmod.info
 
 JSON5:
   type: data

samples/JSON/filenames/mcmod.info

@@ -0,0 +1,16 @@
+[
+{
+  "modid": "examplemod",
+  "name": "Example Mod",
+  "description": "Example placeholder mod.",
+  "version": "${version}",
+  "mcversion": "${mcversion}",
+  "url": "",
+  "updateUrl": "",
+  "authorList": ["ExampleDude"],
+  "credits": "The Forge and FML guys, for making this example",
+  "logoFile": "",
+  "screenshots": [],
+  "dependencies": []
+}
+]