doc(release): consolidated release notes for all components

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

CHANGELOG.md

 # RELEASE NOTES: #
 
-## v1.3.0 -- December 2021 ##
+## v1.3.0 -- January 2022 ##
 
 * Incorporation of new public network functions:
   - NSSF
-* New tutorial with this new function
+* New tutorials:
+  - Slicing --> `docs/DEPLOY_SA5G_SLICING.md`
+  - Static UE IP address to emulate private network --> `docs/DEPLOY_SA5G_BASIC_STATIC_UE_IP.md`
+* `AMF` Changes:
+  - Periodic Registration Update
+  - Support for Event Exposure (Registration State Report)
+  - Implicit Deregistration Timer
+  - Mobile Reachable Timer
+  - Mobility Registration Update
+  - NRF Selection (via NSSF)
+  - Fix for validation of SMF Info
+  - Fix RAN UE NGAP Id
+  - Fix SMF Selection SD
+  - Fix NSSAI mismatch
+  - Fix Service Request
+  - Fix HTTP2
+  - Fix MCC such as 001
+  - Docker optimization
+* `AUSF` Changes:
+  - HTTP2 Support
+  - Docker optimization
+* `NRF` Changes:
+  - NF profile update
+  - Docker optimization
+* `NSSF` Changes:
+  - Initial Public Release
+  - Docker Optimization
+* `SMF` Changes:
+  - Update NWI from NF profile
+  - Update SMF profile
+  - Added retry for PFCP association request
+  - More flexible DNN/IP ranges when deploying container
+  - Fix retrieving the list of NWI
+  - Fix entreprise IE decoding
+  - Fix issue for UPF selection
+  - Fix for IE Measurement Period
+  - Docker optimization
+* `UDM` Changes:
+  - Experimental support for Event Exposure
+  - Added HTTP2 support
+  - Fix static addr allocation
+  - Fix build issue
+  - Docker build optimizations
+* `UDR` Changes:
+  - Added HTTP2 support
+  - Fix build issue
+  - Fix static addr allocation
+  - Docker build optimizations
+* `SPGWU-TINY` Changes:
+  - Disable association request if NF registration is enabled
+* `UPF-VPP` Changes:
+  - Upgrade to UPG plugin stable/1.2
+  - Build fixes
+  - Deployment fixes (wait launch of NRF Client until VPP is getting ready)
 
 ## v1.2.1 -- October 2021 ##
 
 * Incorporation of new public network functions:
   - UPF-VPP
 * New tutorial with this new function
+* `AMF` Changes:
+  - Fix build issue
+  - Tentative fix for ngKSI already in use
+  - Initial implementation for Mobility registration update
+* `AUSF` Changes:
+  - Fix build issue
+* `NRF` Changes:
+  - Fix build issue
+* `SMF` Changes:
+  - Timers handling: T3591/T3952
+  - Fix build issue
+  - Fix UPF selection
+* `UDM` Changes:
+  - Fix build issue
+* `UDR` Changes:
+  - Fix build issue
+* `SPGWU-TINY` Changes:
+  - Fix build issue
+  - Fix GTPU DL encapsulation: 8 extraneous bytes
+* `UPF-VPP` Changes:
+  - Initial Public Release
+  - Full support for Ubuntu18 and RHEL7
+  - CI Build support
+  - Tutorial validated
 
 ## v1.2.0 -- September 2021 ##
 
@@ -20,6 +97,42 @@
   - UDR
 * New tutorials with these new functions
 * CI improvements
+* `AMF` Changes:
+  - AUSF connection
+  - Support PDU Session Resource Modify procedure
+  - Support HTTP2
+  - Support AMF Event Exposure Services
+  - Fix NIA0, NEA2
+  - Fix potential AMF crash with UE/NGAP/NAS context
+  - Fix N2 Handover
+  - Fix Paging procedures
+* `AUSF` Changes:
+  - Initial public release
+  - NRF registration
+    - with FQDN DNS resolution
+  - Full support for Ubuntu18 and RHEL8
+* `NRF` Changes:
+  - Added AUSF, UDR, UDM profiles
+  - Updated UPF profile
+* `SMF` Changes:
+  - Event Exposure implemented
+  - UPF profile update
+  - Support for URR query
+  - Bug fixes
+* `UDM` Changes:
+  - Initial public release
+  - NRF registration
+    - with FQDN DNS resolution
+  - Full support for Ubuntu18 and RHEL8
+* `UDR` Changes:
+  - Initial public release
+  - NRF registration
+    - with FQDN DNS resolution
+  - Proper mySQL DB deployment management
+  - Full support for Ubuntu18 and RHEL8
+* `SPGWU-TINY` Changes:
+  - Adding 5G features
+    - HTTP2 support
 
 ## v1.1.0 -- July 2021 ##
 
@@ -28,6 +141,29 @@
   - DsTester validation on RHEL8 / OpenShift deployment
   - Some components (such as AMF/NRF) have bracket-testing at unit level
 * A lot of tutorials have been added
+* `AMF` Changes:
+  - Session Release
+  - NRF registration
+    - with FQDN DNS resolution
+  - Multiple PDU support
+  - Bug fixes
+  - Full support for Ubuntu18 and RHEL8
+* `NRF` Changes:
+  - FQDN DNS resolution
+  - Bug fixes
+  - Full support for Ubuntu18 and RHEL8
+* `SMF` Changes:
+  - PFCP Release 16 support
+  - NRF registration
+    - with FQDN DNS resolution
+  - Support for multiple UPF instances
+  - Dotted DNN support
+  - Use (SST, SD) to get the subscription information
+  - Bug fixes
+  - Full support for Ubuntu18 and RHEL8
+* `SPGWU-TINY` Changes:
+  - Adding 5G features
+    - NRF discovery and FQDN support
 
 ## v1.0.0 -- September 2020 ##