Update README.md

Author: evshvarov

README.md

@@ -11,6 +11,8 @@ import the [release](https://github.com/intersystems-ru/cache-udl/releases) to t
 
 Map sc package to %All namespace to make it visible in any namespace.
 
+# Usage
+
 ## Setup working directory ( optional )
 ```
 NS> w ##class(sc.code).workdir("/path/to/your/working/directory/")
@@ -23,3 +25,29 @@ NS> d ##class(sc.code).export()
 ```
 NS> d ##class(sc.code).import()
 ```
+
+## Compile and Release:
+
+Introduce cos.json file in the source root directory with settings for the code mask and for the name of the project. e.g.
+```
+cos.json
+ "compileList": "Classes*.INC,classes*.CLS,*.DFI",
+ "projectName": "myproject"
+```
+Run init method to initialize project settings:
+```
+NS> d ##class(sc.code).init()
+```
+Then run release to export all the classes in comileList into one "myproject.xml" release file. It will export it into the default for current Namespace directory.
+```
+NS> d ##class(sc.code).release()
+```
+Or compile it whenever you want to compile all the proejct related resources.
+```
+NS> d ##class(sc.code).compile()
+```
+
+
+
+
+