Setup website with docusaurus (#11)

Summary:
Set up landing page, docs page, and html versions of the ipython notebook tutorials.
Pull Request resolved: https://github.com/fairinternal/pytorch3d/pull/11

Reviewed By: gkioxari

Differential Revision: D19730380

Pulled By: nikhilaravi

fbshipit-source-id: 5df8d3f2ac2f8dce4d51f5d14fc336508c2fd0ea

scripts/publish_website.sh

@@ -0,0 +1,46 @@
+#!/bin/bash                                                                                                                                                                                                      
+# Copyright (c) Facebook, Inc. and its affiliates.
+
+usage() {
+  echo "Usage: $0 [-b]"
+  echo ""
+  echo "Build and push updated PyTorch3D site."
+  echo ""
+  exit 1
+}
+
+# Current directory (needed for cleanup later)                                                                                                                                                                   
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Make temporary directory                                                                                                                                                                                       
+WORK_DIR=$(mktemp -d)
+cd "${WORK_DIR}" || exit
+
+# Clone both master & gh-pages branches                                                                                                                                                                          
+git clone git@github.com:facebookresearch/pytorch3d.git pytorch3d-master
+git clone --branch gh-pages git@github.com:facebookresearch/pytorch3d.git pytorch3d-gh-pages
+
+cd pytorch3d-master/website || exit
+
+# Build site, tagged with "latest" version; baseUrl set to /versions/latest/                                                                                                                                   
+yarn
+
+cd .. || exit
+./scripts/build_website.sh -b
+
+yarn run build
+
+cd "${WORK_DIR}" || exit
+rm -rf pytorch3d-gh-pages/*
+touch pytorch3d-gh-pages/CNAME
+echo "pytorch3d.org" > pytorch3d-gh-pages/CNAME
+mv pytorch3d-master/website/build/pytorch3d/* pytorch3d-gh-pages/
+
+cd pytorch3d-gh-pages || exit
+git add .
+git commit -m 'Update latest version of site'
+git push
+
+# Clean up                                                                                                                                                                                                       
+cd "${SCRIPT_DIR}" || exit
+rm -rf "${WORK_DIR}"