Task: Add merge command docs

Resolves: #35

Dockerfile.dev

@@ -5,5 +5,24 @@ COPY scripts/devtools.sh /opt/devtools.sh
 RUN set -e -x \
     && /opt/devtools.sh
 
+# install mkdocs
+RUN set -ex \
+    && buildDeps=' \
+        build-essential \
+        python-dev \
+    ' \
+    && apt-get update && apt-get install -y --no-install-recommends \
+        $buildDeps \
+        python2.7 \
+        python-pip \
+    && pip install --upgrade \
+        pip \
+        'Markdown>=2.6.9' \
+        'mkdocs>=0.16.3' \
+        'mkdocs-material>=1.10.1' \
+        'markdown-include>=0.5.1' \
+    && apt-get purge -y --auto-remove $buildDeps \
+    && rm -rf /var/lib/apt/lists/*
+
 ENV CGO_ENABLED 0
 ENV GOPATH /go:/yaml