chore: import upstream snapshot with attribution

scripts/gh_deploy_site.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -euxo pipefail
+
+export PYTHONPATH=$PWD/python
+cd docs && make html && cd ..
+cd site && jekyll b && cd ..
+rm -rf site/_site/docs
+cp -r docs/_build/html site/_site/docs
+
+git fetch
+git checkout -B gh-pages origin/gh-pages
+rm -rf docs .gitignore
+mkdir -p docs
+cp -rf site/_site/* docs
+touch docs/.nojekyll
+echo "webllm.mlc.ai" >> docs/CNAME
+
+DATE=`date`
+git add docs && git commit -am "Build at ${DATE}"
+git push origin gh-pages
+git checkout main && git submodule update
+echo "Finish deployment at ${DATE}"

scripts/local_deploy_site.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -euxo pipefail
+
+cd examples/simple-chat
+rm -rf lib
+npm run build
+cd ../..
+
+cp examples/simple-chat/lib/* site
+
+cd site && jekyll serve  --host localhost --port 8888

scripts/prep_deps.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# This file prepares all the necessary dependencies for the web build.
+set -euxo pipefail
+
+emcc --version
+npm --version
+
+TVM_SOURCE_DIR_SET="${TVM_SOURCE_DIR:-}"
+
+if [[ -z ${TVM_SOURCE_DIR_SET} ]]; then
+    if [[ ! -d "3rdparty/tvm-unity" ]]; then
+        echo "Do not find TVM_SOURCE_DIR env variable, cloning a version as source".
+        git clone https://github.com/mlc-ai/relax 3rdparty/tvm-unity --recursive
+    fi
+    export TVM_SOURCE_DIR="${TVM_SOURCE_DIR:-3rdparty/tvm-unity}"
+fi
+
+cd ${TVM_SOURCE_DIR}/web && make && npm install && npm run build && cd -
+rm -rf tvm_home
+ln -s ${TVM_SOURCE_DIR} tvm_home
+npm install

scripts/serve_mlc_llm_dist.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+# This file prepares all the necessary dependencies for the web build.
+set -euxo pipefail
+
+npm --version
+
+MLC_LLM_HOME_SET="${MLC_LLM_HOME:-}"
+
+if [[ -z ${MLC_LLM_HOME_SET} ]]; then
+    echo "Do not find MLC_LLM_HOME env variable, need to set this to work".
+fi
+cd ${MLC_LLM_HOME}/dist
+echo "Serving ${MLC_LLM_HOME}/dist for local debugging purposes"
+npx http-server -p 8000 --cors
+cd -