Build wlc as part of build step

.ci/build.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# clone and build wlc
+git clone https://github.com/Cloudef/wlc.git
+cd wlc
+git submodule update --init --recursive # - initialize and fetch submodules
+mkdir target && cd target               # - create build target directory
+cmake -DCMAKE_BUILD_TYPE=Upstream ..    # - run CMake
+make                                    # - compile
+
+cd ../..
+
+# build sway
+cmake \
+    -DWLC_LIBRARIES=wlc/target/src/libwlc.so \
+    -DWLC_INCLUDE_DIRS=wlc/include .
+make