Add a notes md file

src/fabric-runtime/NOTES.md

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+## Examples
+
+Get started with a `.devcontainer/devcontainer.json` like:
+
+```json
+{
+  "name": "Fabric Runtime 1.2",
+  "image": "ghcr.io/e-gineering/devcontainer-images/fabric-runtime:1.2"
+}
+```
+
+Or install some additional Python packages by creating a `.devcontainer/requirements.txt` and installing them with:
+
+```json
+{
+  "name": "Fabric Runtime 1.2",
+  "image": "ghcr.io/e-gineering/devcontainer-images/fabric-runtime:1.2",
+  "onCreateCommand": "pip install -r .devcontainer/requirements.txt"
+}
+```
+
+## About
+
+These images are created with PySpark workloads in mind, so you'll find Python and Java installed, but not Scala or R at this point.
+
+You can find the image sources here: https://github.com/e-gineering/devcontainer-images/tree/main/src/fabric-runtime
+
+## Versions
+
+The software versions are pinned to track the versions listed in the Microsoft [docs](https://learn.microsoft.com/en-us/fabric/data-engineering/runtime).
+
+### Fabric Runtime 1.3
+
+- Apache Spark 3.5.1
+- Java 11
+- Python 3.11
+- Delta Lake 3.1.0
+
+Microsoft docs for 1.3: https://learn.microsoft.com/en-us/fabric/data-engineering/runtime-1-3
+
+### Fabric Runtime 1.2
+
+- Apache Spark 3.4.1
+- Java 11
+- Python 3.10
+- Delta Lake 2.4.0
+
+Microsoft docs for 1.2: https://learn.microsoft.com/en-us/fabric/data-engineering/runtime-1-2
+
+### Fabric Runtime 1.1
+
+- Apache Spark 3.3.1
+- Java 8
+- Python 3.10
+- Delta Lake 2.2.0
+
+Microsoft docs for 1.1: https://learn.microsoft.com/en-us/fabric/data-engineering/runtime-1-1