Updated README.md, esw, csw version

Author: abrighton

README.md

@@ -89,6 +89,7 @@ communication is properly happening between the following components.
 
 | esw-observing-simulation | esw        | csw        | esw-ts     |
 |--------------------------|------------|------------|------------|
+| v1.0.0-RC3               | v1.0.0     | v6.0.0     | v1.0.0-RC1 |
 | v1.0.0-RC2               | v1.0.0-RC7 | v6.0.0-RC6 | v1.0.0-RC1 |
 | v0.2.1-RC1               | v0.5.1-RC1 | v5.0.1-RC1 | v0.4.1-RC1 |
 | v0.2.0                   | v0.5.0     | v5.0.0     | v0.4.0     |
@@ -107,6 +108,7 @@ communication is properly happening between the following components.
 
 | Date       | Tag        | Source                                                                                                        | Docs                                                                                                                     |     | Assets                                                                                                                       |
 |------------|------------|---------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------|-----|------------------------------------------------------------------------------------------------------------------------------|
+| 2024-05-01 | v1.0.0-RC3 | [esw-observing-simulation-1.0.0-RC3](https://github.com/tmtsoftware/esw-observing-simulation/tree/v1.0.0-RC3) | [esw-observing-simulation-1.0.0-RC3 docs](https://github.com/tmtsoftware/esw-observing-simulation/blob/v1.0.0-RC3/README.md) | [esw-observing-simulation-1.0.0-RC3 assets](https://github.com/tmtsoftware/esw-observing-simulation/releases/tag/v1.0.0-RC3) |
 | 2024-05-01 | v1.0.0-RC2 | [esw-observing-simulation-1.0.0-RC2](https://github.com/tmtsoftware/esw-observing-simulation/tree/v1.0.0-RC2) | [esw-observing-simulation-1.0.0-RC2 docs](https://github.com/tmtsoftware/esw-observing-simulation/blob/v1.0.0-RC2/README.md) | [esw-observing-simulation-1.0.0-RC2 assets](https://github.com/tmtsoftware/esw-observing-simulation/releases/tag/v1.0.0-RC2) |
 | 2023-03-30 | v0.2.1-RC1 | [esw-observing-simulation-0.2.1-RC1](https://github.com/tmtsoftware/esw-observing-simulation/tree/v0.2.1-RC1) | [esw-observing-simulation-0.2.1-RC1 docs](https://github.com/tmtsoftware/esw-observing-simulation/blob/v0.2.1/README.md) |     | [esw-observing-simulation-0.2.1-RC1 assets](https://github.com/tmtsoftware/esw-observing-simulation/releases/tag/v0.2.1-RC1) |
 | 2022-10-19 | v0.2.0-RC1 | [esw-observing-simulation-0.2.0-RC1](https://github.com/tmtsoftware/esw-observing-simulation/tree/v0.2.0-RC1) | [esw-observing-simulation-0.2.0-RC1 docs](https://github.com/tmtsoftware/esw-observing-simulation/blob/v0.2.0/README.md) |     | [esw-observing-simulation-0.2.0-RC1 assets](https://github.com/tmtsoftware/esw-observing-simulation/releases/tag/v0.2.0-RC1) |

notes/v1.0.0-RC3.markdown

@@ -0,0 +1,3 @@
+## ESW Observing Simulation - TMT Executive Software v1.0.0-RC3
+
+This is a release v1.0.0-RC3 of the ESW Observing simulation.