Added multi-threaded compilation to compile script

build.nr

@@ -1 +1 @@
-1866
+1867

compile

@@ -6,7 +6,7 @@ rm -r Release
 if [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
     cmake -B bin -S ./
     cd bin
-    make
+    make -j$(grep -c ^processor /proc/cpuinfo)
     cd ..
     if [ $? -eq 0 ]; then
         mkdir -p ./Release/lib
@@ -29,7 +29,7 @@ if [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
 elif [ "$(expr substr $(uname -s) 1 10)" == "MINGW64_NT" ]; then
     cmake -B bin -S ./ -G "MinGW Makefiles"
     cd bin
-    mingw32-make.exe
+    mingw32-make.exe -j$(grep -c ^processor /proc/cpuinfo)
     cd ..
     if [ $? -eq 0 ]; then
         mkdir -p ./Release/lib
@@ -59,4 +59,4 @@ elif [ "$(expr substr $(uname -s) 1 10)" == "MINGW64_NT" ]; then
         truncate -s 0 build.nr
         echo $build_number >> build.nr
     fi
-fi
+fi