Create release-notes-v1_3_0.md

Author: UrszulaNeuman

docs/release-notes/release-notes-v1_3_0.md

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+Release Notes (v1.3.0)
+===========================
+
+Summary of all changes
+----------------------
+| Jira Task | GitHub Issue | Type | Description |
+|-----------|--------------|------|-------------|
+| I04_1-293 | [#62](https://github.com/DiamondLightSource/PuckBarcodeReader/issues/62) | Minor | Record summary table color changes. |
+| I04_1-172 | [#64](https://github.com/DiamondLightSource/PuckBarcodeReader/issues/64) | Minor | New Start/Stop scan button added. |
+| I04_1-308 | [#66](https://github.com/DiamondLightSource/PuckBarcodeReader/issues/66) | Minor | Messages displayed need revision. |
+| I04_1-245 | [#68](https://github.com/DiamondLightSource/PuckBarcodeReader/issues/68) | Minor | Re-factor main window. |
+
+Change Types:
+* Major - Backward incompatible change
+* Minor - Backward compatible change in API/functionality
+* Patch - Bug fix, no change in functionality