update readme

readme.md

@@ -12,8 +12,35 @@
 
 How to bring up this project to live:
 
-- clone this repository
-- run the `./installer.php` to download spc and prepare the micro build
+Clone this repository.
+
+You get this initial structure:
+
+```txt
+.
+├── build.php
+├── inc_functions.php
+├── inc_vars.php
+├── installer.php
+├── readme.md
+└── src
+    └── amcli.php
+```
+
+Run the `./installer.php` to download spc and prepare the micro build.
+
+The newly created dirs:
+
+```txt
+.
+├── build            << working directory for builds
+│   
+├── external
+│   ├── appmonitor   << cloned IML appmonitor project
+│   └── bin
+│       └── spc      << downloaded spc binary
+:
+```
 
 ## Update
 
@@ -25,9 +52,14 @@ if you want to install a newer version of spc: remove the external/bin/ director
 
 Remove the dirs
 
-- build_packages
+- built_packages
+- build
 - external
 
+And this file
+
+- src/include_checks.php
+
 Then start `./installer.php` and `./build.php`
 
 ## Compile