Added Build Script for Windows and linux

.gitignore

@@ -1,2 +1,3 @@
 alox.protogen
+alox.protogen.exe
 build/

Makefile

@@ -1,2 +1,8 @@
+build:
+	go build .
+
+build_win:
+	GOOS=windows go build .
+
 clean:
 	rm -rf build

readme.md

@@ -86,7 +86,7 @@ Each message is described as:
   - [x] Hook-Funktionen
   - [x] Message-Dispatcher (Switch-Case)
   - [x] Send-Funktionen
-  - [ ] Generate Header and Source File
+  - [x] Generate Header and Source File
 ---
 
 ## To-Do
@@ -119,7 +119,7 @@ Each message is described as:
 ### Tooling
 - [ ] CLI interface (`--input`, `--output`, `--language`, ...)
 - [ ] Logging / verbose mode
-- [ ] Build script / Makefile
+- [x] Build script / Makefile
 
 ### Testing
 - [ ] Unit tests for generator