ci: Move CI related files into own directory

ci/Dockerfile.arch

@@ -0,0 +1,67 @@
+FROM archlinux
+
+RUN pacman -Syu --noconfirm && pacman -S --needed --noconfirm \
+  autoconf \
+  autoconf-archive \
+  automake \
+  base-devel \
+  check \
+  cmake \
+  cmocka \
+  curl \
+  debuginfod \
+  doxygen \
+  expat \
+  gcc \
+  git \
+  gpgme \
+  gtk2 \
+  libgcrypt \
+  libmicrohttpd \
+  libnotify \
+  libsignal-protocol-c \
+  libomemo-c \
+  libotr \
+  libtool \
+  libxss \
+  make \
+  openssl \
+  pkg-config \
+  python \
+  wget \
+  sqlite \
+  valgrind \
+  gdk-pixbuf2 \
+  qrencode
+
+RUN mkdir -p /usr/src/{stabber,profanity}
+
+RUN useradd -mb /usr/src --shell=/bin/false aur && usermod -L aur
+USER aur
+
+WORKDIR /usr/src/aur
+
+# NOTE: These will change their extension to .tar.zst if a new snapshot is built
+# due to:
+# https://www.archlinux.org/news/now-using-zstandard-instead-of-xz-for-package-compression/
+RUN wget https://aur.archlinux.org/cgit/aur.git/snapshot/libstrophe-git.tar.gz
+
+RUN tar -zxvf libstrophe-git.tar.gz
+
+RUN pushd libstrophe-git && makepkg && popd
+
+USER root
+
+RUN pacman -U --noconfirm libstrophe-git/libstrophe-git-*.pkg.tar.zst
+
+WORKDIR /usr/src
+#RUN git clone https://github.com/boothj5/stabber
+
+#WORKDIR /usr/src/stabber
+#RUN ./bootstrap.sh
+#RUN ./configure --prefix=/usr --disable-dependency-tracking
+#RUN make
+#RUN make install
+
+WORKDIR /usr/src/profanity
+COPY . /usr/src/profanity