Update licence and readme

LICENSE

@@ -0,0 +1,26 @@
+Copyright 2025 United Kingdom Research and Innovation
+
+Authors: Steven Gillies, Alex Hayward, Hannah Collingwood (Telespazio UK)
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+3. Neither the name of the copyright holder nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -1 +1,37 @@
 # GitHub Actions
+
+This repository contains workflows for GitHub actions used by the EO-DataHub. They can be used as per the following example:
+
+```
+jobs:
+  pre-commit-preparation:
+    name: Pre-commit
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v3
+
+      - name: Copy config
+        run: |
+          if [ ! -f .pre-commit-config.yaml ]; then
+            curl -o .pre-commit-config.yaml https://raw.githubusercontent.com/EO-DataHub/github-actions/main/.pre-commit-config-python.yaml
+          fi          
+
+      - uses: pre-commit/action@v3.0.1
+
+  security-scan:
+    name: Call Security Scan
+    permissions:
+      contents: read
+    uses: EO-DataHub/github-actions/.github/workflows/security.yaml@main
+
+  unit-tests:
+    name: Run unit tests
+    permissions:
+      contents: read
+    uses: EO-DataHub/github-actions/.github/workflows/unit-tests-python.yaml@main
+    with:
+      PYTHON_VERSION: "3.12"
+```