Rebrand project from nx-optimaster to Atomizer

- Update project name in all documentation files
- Update GitHub repository references to Anto01/Atomizer
- Update Python package name to 'atomizer'
- Update conda environment name references
- Update all module docstrings with new branding

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

config/nx_config.json.template

@@ -1,6 +1,6 @@
 {
   "nx_executable": "C:/Program Files/Siemens/NX2306/NXBIN/ugraf.exe",
-  "python_env": "C:/Users/YourName/anaconda3/envs/nx-optimaster/python.exe",
+  "python_env": "C:/Users/YourName/anaconda3/envs/atomizer/python.exe",
   "journals_dir": "./nx_journals",
   "temp_dir": "./temp",
   "default_timeout": 300,