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/build_website.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+# Copyright (c) Facebook, Inc. and its affiliates.
+
+# run this script from the project root using `./scripts/build_docs.sh`
+
+usage() {
+  echo "Usage: $0 [-b]"
+  echo ""
+  echo "Build PyTorch3D documentation."
+  echo ""
+  echo "  -b   Build static version of documentation (otherwise start server)"
+  echo ""
+  exit 1
+}
+
+BUILD_STATIC=false
+
+while getopts 'hb' flag; do
+  case "${flag}" in
+    h)
+      usage
+      ;;
+    b)
+      BUILD_STATIC=true
+      ;;
+    *)
+      usage
+      ;;
+  esac
+done
+
+
+echo "-----------------------------------"
+echo "Building PyTorch3d Docusaurus site"
+echo "-----------------------------------"
+cd website || exit
+yarn
+cd ..
+
+echo "-----------------------------------"
+echo "Generating tutorials"
+echo "-----------------------------------"
+cwd=$(pwd)
+mkdir -p "website/_tutorials"
+mkdir -p "website/static/files"
+python scripts/parse_tutorials.py --repo_dir "${cwd}"
+
+cd website || exit
+
+if [[ $BUILD_STATIC == true ]]; then
+  echo "-----------------------------------"
+  echo "Building static site"
+  echo "-----------------------------------"
+  yarn build
+else
+  echo "-----------------------------------"
+  echo "Starting local server"
+  echo "-----------------------------------"
+  yarn start
+fi