Feat/GitHub actions

.github/workflows/test-pr.yml

@@ -0,0 +1,28 @@
+name: PR Quality Assurance
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  build:
+    name: Checkout and Build
+    runs-on: ubuntu-20.04
+
+    strategy:
+      matrix:
+        java-version: [8, 11, 17]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: JDK setup
+        uses: actions/setup-java@v3
+        with:
+          java-version: ${{ matrix.java-version }}
+          distribution: 'temurin'
+          cache: maven
+      - name: Build with Maven
+        run: mvn --batch-mode --update-snapshots install
+      - name: Test with Maven
+        if: (matrix.java-version == 8)
+        run: mvn --batch-mode verify -DjacocoAgg

res/md/common-intro.md

@@ -6,7 +6,7 @@ The specifications are designed to help data creators, software developers, and
 A visualisation of the current specification network can be seen here:
 
 <a name="figi-dip"></a>
-![OAIS Entities](figs/fig_1_dip.svg "Diagram showing E-ARK specification dependency hierarchy")
+![OAIS Entities](figs/fig_1_dip.png "Diagram showing E-ARK specification dependency hierarchy")
 
 **Figure I:** Diagram showing E-ARK specification dependency hierarchy. Note that the image only shows a selection of the published CITS and isn't an exhaustive list.