chore: import upstream snapshot with attribution

scripts/build_easygraph_linux.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Install docker:
+#       https://yeasy.gitbook.io/docker_practice/install/ubuntu#shi-yong-jiao-ben-zi-dong-an-zhuang
+
+# compiles mac packages for python 3.6、3.7、3.8、3.9
+# requirements:
+#       docker
+#       quay.io/pypa/manylinux1_x86_64 (docker container)
+
+export WORKDIR=$HOME/build
+if [ ! -d "$WORKDIR" ]; then
+    mkdir -p "$WORKDIR"
+    cd "$WORKDIR" || exit
+    git clone https://github.com/easy-graph/Easy-Graph.git
+fi
+
+chmod -R 777 "$WORKDIR"/Easy-Graph/
+cd "$WORKDIR"/Easy-Graph || exit
+
+docker run -it -v "$WORKDIR":/src --user "$(id -u):$(id -g)" quay.io/pypa/manylinux1_x86_64 /src/Easy-Graph/scripts/build_packages_linux.sh