feat: add switch for build script to disable documentation build.

- add a new switch to disable documentation build which cost much time and disk space during building.
- add corresponding codumentation for this feature.

doc/src/intro.dox

@@ -106,6 +106,8 @@ See following section for more details.
 
 For creating CMake distribution, please execute script <TT>script/win_build.bat</TT>.
 After script done, you will find CMake distribution in directory <TT>bin/install</TT> with following structure.
+In default, building process will build documentation automatically.
+If you don't want built documentation, please execute with extra argument \c NODOC, i.e. <TT>script/win_build.bat NODOC</TT>.
 
 \verbatim
 YYCC
@@ -137,6 +139,8 @@ because MSVC distribution depend on CMake distribution.
 
 After creating CMake distribution, you can simply create MSVC distribution by executing <TT>script/win_msvc_build.bat</TT>.
 Then you will find your MSVC distribution in directory <TT>bin/msvc_install</TT> with following structure.
+Same as CMake distribution, if you don't want built documentation, 
+please execute <TT>script/win_msvc_build.bat NODOC</TT>.
 
 \verbatim
 YYCC

script/win_build.bat

@@ -1,4 +1,5 @@
 @ECHO OFF
+:: Check environment
 SET README_PATH=%CD%\README.md
 IF EXIST %README_PATH% (
     REM DO NOTHING
@@ -42,12 +43,14 @@ cmake --install . --prefix=../install/x64_Release --config Release
 CD ..
 
 :: Build for documentation
-CD documentation
-cmake -G "Visual Studio 16 2019" -A x64 -DYYCC_BUILD_DOC=ON ../..
-cmake --build . --config Release
-cmake --build . --target YYCCDocumentation
-cmake --install . --prefix=../install/x64_Release --config Release
-CD ..
+IF NOT "%1"=="NODOC" (
+    CD documentation
+    cmake -G "Visual Studio 16 2019" -A x64 -DYYCC_BUILD_DOC=ON ../..
+    cmake --build . --config Release
+    cmake --build . --target YYCCDocumentation
+    cmake --install . --prefix=../install/x64_Release --config Release
+    CD ..
+)
 
 :: Exit to original path
 CD ..

script/win_msvc_build.bat

@@ -35,7 +35,9 @@ CD ..
 :: Copy include from x64_Release build
 XCOPY install\x64_Release\include msvc_install\include\ /E /Y
 :: Copy document from x64_Release build
-XCOPY install\x64_Release\share msvc_install\share\ /E /Y
+IF NOT "%1"=="NODOC" (
+    XCOPY install\x64_Release\share msvc_install\share\ /E /Y
+)
 :: Copy binary testbench
 COPY install\Win32_Release\bin\YYCCTestbench.exe msvc_install\bin\Win32\YYCCTestbench.exe /Y
 COPY install\x64_Release\bin\YYCCTestbench.exe msvc_install\bin\x64\YYCCTestbench.exe /Y