updated reame with the common zig commands.

README.md

@@ -1,3 +1,21 @@
 # zig
 
 A template for developing programs in ZIG.
+
+## Zig commands:
+
+```sh
+zig init-exe # Initializes current dir with hello world
+zig init-lib # Initializes current dir with library app.
+
+zig ast-check # looks for compile errors in files.
+zig build-exe # Create executable from source or object files.
+zig build-lib # Create library from source or object files.
+zig build-obj # Create object from sourec or object files.
+zig run # Create execuatble and run immediately.
+zig test # Create and run a test build.
+zig translate-c # convert C code to Zig code.
+
+zen ???
+```
+