Add new option to simplify creation of self-contained packages (snap/flatpak/appimage)

docs/building-cmake.md

@@ -56,7 +56,6 @@ Go to ***BuildPath*** and run
     cd patches
     git checkout 10aeaf6
     cd ../
-    git clone --branch 0.10.0 https://github.com/ericniebler/range-v3
 
     git clone https://github.com/xiph/opus
     cd opus
@@ -246,10 +245,7 @@ Go to ***BuildPath*** and run
     cd qtbase
     git apply ../../patches/qtbase_5_12_8.diff
     cd src/plugins/platforminputcontexts
-    git clone https://github.com/desktop-app/fcitx.git
-    git clone https://github.com/desktop-app/hime.git
-    git clone https://github.com/desktop-app/nimf.git
-    cd ../../../..
+    cd ..
 
     OPENSSL_DIR=/usr/local/desktop-app/openssl-1.1.1
     ./configure -prefix "/usr/local/desktop-app/Qt-5.12.8" \
@@ -275,13 +271,6 @@ Go to ***BuildPath*** and run
     sudo make install
     cd ..
 
-    git clone --depth=1 https://github.com/desktop-app/materialdecoration.git
-    cd materialdecoration
-    /usr/local/desktop-app/Qt-5.12.8/bin/qmake CONFIG+=static
-    make $MAKE_THREADS_CNT
-    sudo make install
-    cd ..
-
     git clone https://chromium.googlesource.com/external/gyp
     cd gyp
     git checkout 9f2a7bb1

docs/building-msvc.md

@@ -66,7 +66,6 @@ Open **x86 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
     cd patches
     git checkout 10aeaf6
     cd ..
-    git clone --branch 0.10.0 https://github.com/ericniebler/range-v3 range-v3
 
     git clone https://github.com/desktop-app/lzma.git
     cd lzma\C\Util\LzmaLib

docs/building-osx.md

@@ -54,7 +54,6 @@ Go to ***BuildPath*** and run
     cd patches
     git checkout 395b620
     cd ../
-    git clone --branch 0.10.0 https://github.com/ericniebler/range-v3
 
     cd xz-5.0.5
     CFLAGS="-mmacosx-version-min=10.10" LDFLAGS="-mmacosx-version-min=10.10" ./configure

docs/building-xcode.md

@@ -49,7 +49,6 @@ Go to ***BuildPath*** and run
     cd patches
     git checkout 10aeaf6
     cd ..
-    git clone --branch 0.10.0 https://github.com/ericniebler/range-v3
 
     xz_ver=5.2.4
     wget https://tukaani.org/xz/xz-$xz_ver.tar.gz