update readme

README.md

@@ -13,11 +13,11 @@
 </p>
 
 <h1 align="center">
-  Container
+  Code-Server as Container 📦
 </h1>
 
 <p align="center">
-
+ This project optimizes the Code-Server container image from linuxserver.io.
 </p>
 
 <p align="center">
@@ -28,7 +28,44 @@
 
 ## :book: General
 
-> :bulb: tbd...
+The container is based on the latest `linuxserver/code-server` image.
+
+### 🚀 Starship prompt
+
+The [Starship](starship.rs) prompt is added an enabled as default. Default config uses Emojis and FiraCode icons.
+
+### 🔱 git config
+
+Adds default system config with:
+
+- enabled plain credential store for remote.
+- enabled bash completion for git command.
+- added git log helper `lg1` + `lg2`
+
+> 💡 See [gitconfig-system](./gitconfig-system) for details.
+
+### 🧙 Added `install-devruntime` helper script
+
+Added `install-devruntime` to help installing common runtime in container.
+This helps reducing the image size.
+
+```
+install-devruntime is used to install optional runtimes for developing in a
+code-server container environment.
+
+Syntax: install-devruntime RUNTIME ...
+RUNTIME         [dotnet|golang|nodejs|powershell]
+  dotnet        Installs latest LTS dotnet core sdk + runtime.
+  golang        Installs golang 1.19.3.
+  nodejs        Installs latest NodeJs LTS version.
+  powershell    Installs latest PowerShell LTS version.
+-h              Prints this help messagee.
+disablemotd     Disables hint in new bash terminal
+setcode         Sets VS Code user setting with basic (Fira Code)
+
+Example 1: install-devruntime dotnet
+Example 2: install devruntime golang nodejs
+```
 
 ## 💳 Credits