Update generate_api_docs.sh

Author: WilliamBergamin

scripts/generate_api_docs.sh

@@ -6,6 +6,11 @@ cd ${script_dir}/..
 
 pip install -U -r requirements/documentation.txt
 pip install -U -r requirements/optional.txt
-rm -rf docs/static/api-docs
-pdoc slack_sdk --html -o docs/static/api-docs
-open docs/static/api-docs/slack_sdk/index.html
+
+rm -rf docs/reference
+
+pdoc slack_sdk --html -o docs/reference
+cp -R docs/reference/slack_sdk/* docs/reference/
+rm -rf docs/reference/slack_sdk
+
+open docs/reference/index.html