doc: update README.md and rename wrong changelog filename

CHANGELOG.md+ → CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.3.0
+
+- add an installation script (python required), mostly useful for lite.koboldai.net users
+
 ## 0.2.1
 
 - Now it can import My Ghost Writer version

README.md

@@ -34,6 +34,8 @@ In a Linux/WSL environment (I didn't tried with MacOS or Windows):
    * `python my_ghost_writer/app.py` using the python app.py file path
    * `python -m ghost_writer.app.py` using the python module
 
+### Run as a python module
+
 If using the webserver with the module (`python -m ghost_writer.app.py`) it's necessary one of these env variables:
 
 * `STATIC_FOLDER` to define a custom path for the static folder. Probably you should also download the static files:
@@ -44,6 +46,29 @@ If using the webserver with the module (`python -m ghost_writer.app.py`) it's ne
   * `/health`
   * `/words-frequency`
 
+### Installation script
+
+An alternate way to use the project is installing it using `install.sh`. e.g.
+
+```bash
+bash ./install.sh
+```
+
+If you want to run my custom frontend using this script (available on default on port 7860):
+
+1. use the install-only option
+2. define a custom path for `STATIC_FOLDER` and use it for the module execution:
+
+```bash
+# run the script with the install-only option
+bash install.sh -i
+
+# run the python module with the custom STATIC_FOLDER env variable, e.g.
+# if you already created STATIC_FOLDER within the current directory with the needed files within, see above
+export STATIC_FOLDER=$PWD/static
+python -m my_ghost_writer.app
+```
+
 ## Contributing
 
 Pull requests are welcome! Please make sure to test your changes thoroughly before submitting a pull request.