Create DoD file with development completion criteria

Author: ktryna

docs/project/dod.md

@@ -0,0 +1,13 @@
+---
+sidebar_position: 6
+---
+
+# Definition of Done 
+
+## For Software Development
+1. The task is implemented according to the requirements.
+2. The code is covered with unit tests.
+3. Static code analysis has been completed with no critical issues.
+4. A pull request has been created.
+5. The code has passed the code review.
+6. The pull request has been successfully merged.