ci: Begin Jenkins build pipeline

ci/podTemplate.yaml

@@ -0,0 +1,32 @@
+spec:
+  containers:
+  - name: build
+    image: git.pyrocufflink.net/aimeeos/build/build-aarch64-unknown-linux-gnu
+    command:
+    - /bin/sh
+    - -c
+    - |
+      trap 'kill $!; exit' TERM
+      sleep infinity &
+      wait
+    securityContext:
+      capabilities:
+        add:
+        - CAP_SETFCAP
+    volumeMounts:
+    - mountPath: /build
+      name: workspace-volume
+      subPath: _build
+    - mountPath: /mnt/gentoo
+      name: workspace-volume
+      subPath: gentoo
+    - mountPath: /usr/aarch64-unknown-linux-gnu/var/cache/binpkgs
+      name: workspace-volume
+      subPath: binpkgs
+    - mountPath: /var/cache/binpkgs
+      name: workspace-volume
+      subPath: binpkgs
+    - mountPath: /var/cache/distfiles
+      name: workspace-volume
+      subPath: distfiles
+  hostUsers: false