Add boilerplate spec files

Author: vallode

spec/cpp_spec.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require 'nokogiri'
+
+require_relative '../lib/cpp'
+
+describe DFHackLuaDefinitions::CPP do
+  it 'passes with no test' do
+    expect(true).to eq(true)
+  end
+end

spec/lua_spec.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require 'nokogiri'
+
+require_relative '../lib/lua'
+
+describe DFHackLuaDefinitions::Lua do
+  it 'passes with no test' do
+    expect(true).to eq(true)
+  end
+end

spec/xml_spec.rb

@@ -131,7 +131,7 @@
       annotation = <<~LUA
         ---@class (exact) df.foostruct: DFStruct
         ---@field _type identity.foostruct
-        ---@field test_field number References: `bartarget`
+        ---@field test_field number References: `df.bartarget`
         ---@field typed_field df.coord
 
         ---@class identity.foostruct: DFCompoundType