Add Kubernetes manifests for routing engines

Deployments and Services for osrm-foot (256-512MB), osrm-bicycle
(256-512MB), and OTP (1-2GB). Includes PVCs for data storage and an
init Job to download and pre-process Greater London OSM data.

k8s/osrm-init-job.yaml

@@ -0,0 +1,64 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: osrm-init
+spec:
+  backoffLimit: 3
+  template:
+    spec:
+      restartPolicy: OnFailure
+      containers:
+        - name: osrm-init
+          image: ghcr.io/project-osrm/osrm-backend:latest
+          command:
+            - /bin/bash
+            - -c
+            - |
+              set -euo pipefail
+              OSM_FILE="greater-london-latest.osm.pbf"
+              GEOFABRIK_URL="https://download.geofabrik.de/europe/great-britain/england/greater-london-latest.osm.pbf"
+
+              # Download OSM data if not present
+              if [ ! -f "/data/${OSM_FILE}" ]; then
+                echo "Downloading Greater London OSM extract..."
+                apt-get update -qq && apt-get install -qq -y curl
+                curl -L -o "/data/${OSM_FILE}" "${GEOFABRIK_URL}"
+              fi
+
+              # Process foot profile
+              if [ ! -f "/data/foot/greater-london-latest.osrm" ]; then
+                echo "Processing foot profile..."
+                mkdir -p /data/foot
+                cp "/data/${OSM_FILE}" "/data/foot/${OSM_FILE}"
+                osrm-extract -p /opt/foot.lua "/data/foot/${OSM_FILE}"
+                osrm-partition "/data/foot/greater-london-latest.osrm"
+                osrm-customize "/data/foot/greater-london-latest.osrm"
+                rm -f "/data/foot/${OSM_FILE}"
+              fi
+
+              # Process bicycle profile
+              if [ ! -f "/data/bicycle/greater-london-latest.osrm" ]; then
+                echo "Processing bicycle profile..."
+                mkdir -p /data/bicycle
+                cp "/data/${OSM_FILE}" "/data/bicycle/${OSM_FILE}"
+                osrm-extract -p /opt/bicycle.lua "/data/bicycle/${OSM_FILE}"
+                osrm-partition "/data/bicycle/greater-london-latest.osrm"
+                osrm-customize "/data/bicycle/greater-london-latest.osrm"
+                rm -f "/data/bicycle/${OSM_FILE}"
+              fi
+
+              echo "OSRM data initialization complete!"
+          volumeMounts:
+            - name: osrm-data
+              mountPath: /data
+          resources:
+            requests:
+              memory: "1Gi"
+              cpu: "500m"
+            limits:
+              memory: "2Gi"
+              cpu: "2000m"
+      volumes:
+        - name: osrm-data
+          persistentVolumeClaim:
+            claimName: osrm-data-pvc