add changelog for 1.0.0 (#341)

* add changelog for 1.0.0

* add periods

---------

Co-authored-by: Peter Kaloroumakis <pk@mitre.org>

CHANGELOG.md

@@ -1,5 +1,23 @@
 # D3FEND Change Log
 
+## Version - 1.0.0 - 2024-12-20
+
+- Define D3FEND Digital Event ontology with deeper OCSF integration. (#326)
+- ATT&CK Data Sources integration and related digital artifacts. (#317)
+- Add Access Mediation techniques with zero-trust alignment. (#336)
+- Refine auth events to align with Access Mediation techniques. (#328)
+- Add Source Code Hardening techniques to ontology. (#325)
+- Add Credential Scrubbing as Source Code Hardening technique. (#333)
+- Introduce an upper model for D3FEND OT artifacts. (#329)
+- Add Cloud Service Provider. (#319)
+- Application-based Process Isolation. (#320)
+- First D3FEND-CCO mappings. (#296)
+- Carve out D3FEND catalog classes and properties into separate file. (#338)
+- Update to ATT&CK Enterprise v16.0. (#315)
+- Add Python scripts to automate the import of CAPEC into D3FEND. (#258)
+- Add missing rdfs:labels. (#332)
+- Align T1087 subtechniques with correct parent. (#295)
+
 ## Version - 0.17.0 - 2024-10-11
 
  - Promote Link to core and initial major refactor to D3FEND Core. (#248)