doc update

Author: Evgeny Shvarov

README.md

@@ -38,7 +38,29 @@ This repository is ready to code in VSCode with ObjectScript plugin.
 Install [VSCode](https://code.visualstudio.com/) and [ObjectScript](https://marketplace.visualstudio.com/items?itemName=daimor.vscode-objectscript) plugin and open the folder in VSCode.
 Open /src/cls/PackageSample/ObjectScript.cls class and try to make changes - it will be compiled in running IRIS docker container.
 
-Feel free to delete PackageSample folder and add your ObjectScript classes in a form
+Feel free to delete PackageSample folder and place your ObjectScript classes in a form
 /src/cls/Package/Classname.cls
 
+The script in Installer.cls will import everything you place under /src/cls into IRIS.
 
+## What's insde the repo
+
+# Dockerfile
+
+The simplest dockerfile to start IRIS and load ObjectScript from /src/cls folder
+Use the related docker-compose.yml to easily setup additional parametes like port number and where you map keys and host folders.
+
+# Dockerfile-zpm
+
+Dockerfile-zpm builds for you a container which contains ZPM package manager client so you are able to install packages from ZPM in this container
+
+# Dockerfile-zpm-webterminal
+Dockerfile-zpm-webterminal helps to have a container with ZPM and some preloaded ZPM packages, like webterminal
+
+
+# .vscode/settings.json
+
+Settings file to let you immedietly code in VSCode with [VSCode ObjectScript plugin](https://marketplace.visualstudio.com/items?itemName=daimor.vscode-objectscript))
+
+# .vscode/launch.json
+Config file if you want to debug with VSCode ObjectScript