added some simple documentation

README.md

@@ -0,0 +1,25 @@
+# Installing
+
+```sh
+python3 -m venv .venv
+source .venv/bin/activate
+pip install -e .
+```
+
+# Execute
+
+To start a local http server in the dist folder you can simply do:
+
+```sh
+python3 -m http.server 1312
+```
+
+Then visit `localhost:1312`
+
+```
+# build it normally
+stsg
+
+# start a hot reload server
+stsg_dev
+```