add: gitignore and pub include header

.gitignore

@@ -0,0 +1,28 @@
+# ---> VisualStudioCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+
+# Local History for Visual Studio Code
+.history/
+.idea/
+
+# Run temp file and dir
+reference
+omc/bin
+omc/tools
+
+# Built Visual Studio Code Extensions
+*.o
+*.a
+*.vsix
+*.log
+*.log-*
+*.bak
+*.bak*
+*.exe
+__debug_bin*.exe
+