Remove unnecessary resources, add bulma, and add AdvMakefile

bulma/node_modules/node-sass/src/libsass/docs/build-with-makefiles.md

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+### Get the sources
+```bash
+# using git is preferred
+git clone https://github.com/sass/libsass.git
+# only needed for sassc and/or testsuite
+git clone https://github.com/sass/sassc.git libsass/sassc
+git clone https://github.com/sass/sass-spec.git libsass/sass-spec
+```
+
+### Decide for static or shared library
+
+`libsass` can be built and linked as a `static` or as a `shared` library. The default is `static`. To change it you can set the `BUILD` environment variable:
+
+```bash
+export BUILD="shared"
+```
+
+Alternatively you can also define it directly when calling make:
+
+```bash
+BUILD="shared" make ...
+```
+
+### Compile the library
+```bash
+make -C libsass -j5
+```
+
+### Results can be found in
+```bash
+$ ls libsass/lib
+libsass.a libsass.so
+```
+
+### Install onto the system
+
+We recommend to use [autotools to install](build-with-autotools.md) libsass onto the
+system, since that brings all the benefits of using libtools as the main install method.
+If you still want to install libsass via the makefile, you need to make sure that gnu
+`install` utility (or compatible) is installed on your system.
+```bash
+yum install coreutils # RedHat Linux
+emerge -a coreutils # Gentoo Linux
+pkgin install coreutils # SmartOS
+```
+
+You can set the install location by setting `PREFIX`
+```bash
+PREFIX="/opt/local" make install
+```
+
+
+### Compling sassc
+
+```bash
+# Let build know library location
+export SASS_LIBSASS_PATH="`pwd`/libsass"
+# Invokes the sassc makefile
+make -C libsass -j5 sassc
+```
+
+### Run the spec test-suite
+
+```bash
+# needs ruby available
+# also gem install minitest
+make -C libsass -j5 test_build
+```