Add a test file for nimble

tests/syntax-tests/source/nim/test.nimble

@@ -0,0 +1,23 @@
+version = "0.1.0"
+author = "creator_name"
+description = "Tests nimble syntax highlighting"
+license = "custom"
+
+bin = @["test"]
+srcdir = "src"
+installExt = @["nim"]
+
+# Dependencies
+
+requires "nim >= 1.6.2"
+
+when defined(nimdistros):
+  import distros
+  if detectOs(Ubuntu):
+    foreignDep "external_lib"
+  else:
+    foreignDep "other_lib"
+
+task test, "Runs a task called 'test'":
+  withDir "tests":
+    exec "nim c -r tester"