Clean up files. Remove /build from commit list for efficiency purposes

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 .vscode
 Music-Player.pro.user
+/build/

build/Desktop-Debug/.qmake.stash

@@ -1,45 +0,0 @@
-QMAKE_MAC_SDK.macosx.Path = /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
-QMAKE_MAC_SDK.macosx.SDKVersion = 26.1
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_CC = /Library/Developer/CommandLineTools/usr/bin/clang
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_CXX = /Library/Developer/CommandLineTools/usr/bin/clang++
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_FIX_RPATH = \
-    /Library/Developer/CommandLineTools/usr/bin/install_name_tool \
-    -id
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_AR = \
-    /Library/Developer/CommandLineTools/usr/bin/ar \
-    cq
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_RANLIB = \
-    /Library/Developer/CommandLineTools/usr/bin/ranlib \
-    -s
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_LINK = /Library/Developer/CommandLineTools/usr/bin/clang++
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_LINK_SHLIB = /Library/Developer/CommandLineTools/usr/bin/clang++
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_LINK_C = /Library/Developer/CommandLineTools/usr/bin/clang
-QMAKE_MAC_SDK.macx-clang.macosx.QMAKE_LINK_C_SHLIB = /Library/Developer/CommandLineTools/usr/bin/clang
-QMAKE_CXX.QT_COMPILER_STDCXX = 201402L
-QMAKE_CXX.QMAKE_APPLE_CC = 6000
-QMAKE_CXX.QMAKE_APPLE_CLANG_MAJOR_VERSION = 17
-QMAKE_CXX.QMAKE_APPLE_CLANG_MINOR_VERSION = 0
-QMAKE_CXX.QMAKE_APPLE_CLANG_PATCH_VERSION = 0
-QMAKE_CXX.QMAKE_GCC_MAJOR_VERSION = 4
-QMAKE_CXX.QMAKE_GCC_MINOR_VERSION = 2
-QMAKE_CXX.QMAKE_GCC_PATCH_VERSION = 1
-QMAKE_CXX.COMPILER_MACROS = \
-    QT_COMPILER_STDCXX \
-    QMAKE_APPLE_CC \
-    QMAKE_APPLE_CLANG_MAJOR_VERSION \
-    QMAKE_APPLE_CLANG_MINOR_VERSION \
-    QMAKE_APPLE_CLANG_PATCH_VERSION \
-    QMAKE_GCC_MAJOR_VERSION \
-    QMAKE_GCC_MINOR_VERSION \
-    QMAKE_GCC_PATCH_VERSION
-QMAKE_CXX.INCDIRS = \
-    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1 \
-    /Library/Developer/CommandLineTools/usr/lib/clang/17/include \
-    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include \
-    /Library/Developer/CommandLineTools/usr/include
-QMAKE_CXX.LIBDIRS = \
-    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib \
-    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib/swift
-QMAKE_MAC_SDK.macosx.SDKVersion = 26.1
-QMAKE_MAC_SDK.macosx.Path = /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
-QMAKE_XCODE_DEVELOPER_PATH = /Library/Developer/CommandLineTools