ignore MSVC\contrib\build and add argon2 path to project

MSVC/.gitignore

@@ -244,4 +244,5 @@ _Pvt_Extensions
 # FAKE - F# Make
 .fake/
 
-!config.h
\ No newline at end of file
+!config.h
+contrib/build/
\ No newline at end of file

MSVC/opendht.vcxproj

@@ -208,7 +208,7 @@ copy ..\include\opendht.h $(OutDir)\include\</Command>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>$(ProjectDir)contrib\build\include;$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)contrib\build\msgpack-c\include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir)contrib\build\include;$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)contrib\build\msgpack-c\include;$(ProjectDir)..\argon2</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32_NATIVE;WIN32_LEAN_AND_MEAN;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4804;4800;4101;4267;4244;4503;</DisableSpecificWarnings>
       <AdditionalOptions>-D_SCL_SECURE_NO_WARNINGS %(AdditionalOptions)</AdditionalOptions>

MSVC/opendht.vcxproj.filters

 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="..\src\callbacks.cpp" />
+    <ClCompile Include="..\src\crypto.cpp" />
+    <ClCompile Include="..\src\default_types.cpp" />
+    <ClCompile Include="..\src\dht.cpp" />
+    <ClCompile Include="..\src\dhtrunner.cpp" />
+    <ClCompile Include="..\src\indexation\pht.cpp" />
+    <ClCompile Include="..\src\infohash.cpp" />
+    <ClCompile Include="..\src\log.cpp" />
+    <ClCompile Include="..\src\network_engine.cpp" />
+    <ClCompile Include="..\src\node.cpp" />
+    <ClCompile Include="..\src\node_cache.cpp" />
+    <ClCompile Include="..\src\routing_table.cpp" />
+    <ClCompile Include="..\src\securedht.cpp" />
+    <ClCompile Include="..\src\utils.cpp" />
+    <ClCompile Include="..\src\value.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\include\opendht.h" />
+    <ClInclude Include="..\include\opendht\callbacks.h" />
+    <ClInclude Include="..\include\opendht\crypto.h" />
+    <ClInclude Include="..\include\opendht\default_types.h" />
+    <ClInclude Include="..\include\opendht\dht.h" />
+    <ClInclude Include="..\include\opendht\dhtrunner.h" />
+    <ClInclude Include="..\include\opendht\indexation\pht.h" />
+    <ClInclude Include="..\include\opendht\infohash.h" />
+    <ClInclude Include="..\include\opendht\log.h" />
+    <ClInclude Include="..\include\opendht\log_enable.h" />
+    <ClInclude Include="..\include\opendht\network_engine.h" />
+    <ClInclude Include="..\include\opendht\node.h" />
+    <ClInclude Include="..\include\opendht\node_cache.h" />
+    <ClInclude Include="..\include\opendht\rate_limiter.h" />
+    <ClInclude Include="..\include\opendht\request.h" />
+    <ClInclude Include="..\include\opendht\rng.h" />
+    <ClInclude Include="..\include\opendht\routing_table.h" />
+    <ClInclude Include="..\include\opendht\scheduler.h" />
+    <ClInclude Include="..\include\opendht\securedht.h" />
+    <ClInclude Include="..\include\opendht\utils.h" />
+    <ClInclude Include="..\include\opendht\value.h" />
+  </ItemGroup>
 </Project>
\ No newline at end of file