docs: Add testdrive example for webhook setup

testdrive/cardano2webhook/README.md

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+# Cardano => Webhook Testdrive
+
+## Introduction
+
+This is a reference implementation to show how _Oura_ can be leveradged to read from a Cardano relay node into an output events via HTTP to a remote endpoint.
+
+## Prerequisites
+
+- K8s Cluster
+- kubectl
+- Skaffold
+
+## Deployment
+
+Create a k8s namespace for the testdrive:
+
+```
+kubectl create namespace cardano2webhook
+```
+
+Deploy the resources:
+
+```
+skaffold run --namespace cardano2webhook --tail
+```
+
+Check the logs:
+
+```
+skaffold run --module oura --namespace cardano2webhook
+```

testdrive/cardano2webhook/k8s/endpoint.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: endpoint
+data:
+  mock.yaml: |-
+    when:
+      method: POST
+      path: /events
+      header:
+        - name: content-type
+          value: application/json
+    then:
+      status: 200
+      header:
+        - name: content-type
+          value: application/json
+      delay: 50
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: endpoint
+  labels:
+    app: endpoint
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: endpoint
+  template:
+    metadata:
+      labels:
+        app: endpoint
+    spec:
+      containers:
+        - name: main
+          image: alexliesenfeld/httpmock:0.6.2
+          ports:
+            - containerPort: 5000
+          env:
+            - name: "RUST_LOG"
+              value: "info"
+            - name: "HTTPMOCK_MOCK_FILES_DIR"
+              value: "/etc/httpmock"
+          resources:
+            requests:
+              memory: 100Mi
+              cpu: 50m
+            limits:
+              memory: 500Mi
+              cpu: 200m
+          volumeMounts:
+            - mountPath: /etc/httpmock
+              name: mock-config
+      volumes:
+        - name: mock-config
+          configMap:
+            name: endpoint

testdrive/cardano2webhook/k8s/oura.yaml

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+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: oura
+data:
+  daemon.toml: |-
+    [source]
+    type = "N2N"
+    address = ["Tcp", "relays-new.cardano-mainnet.iohk.io:3001"]
+    magic = "mainnet"
+    since = [4492799, "f8084c61b6a238acec985b59310b6ecec49c0ab8352249afd7268da5cff2a457"]
+
+    [[filters]]
+    type = "Fingerprint"
+
+    [sink]
+    type = "Webhook"
+    url = "https://endpoint:5000/events"
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: oura
+  labels:
+    app: oura
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: oura
+  template:
+    metadata:
+      labels:
+        app: oura
+    spec:
+      containers:
+      - name: main
+        image: ghcr.io/txpipe/oura:v0.3.9
+        env:
+          - name: "RUST_LOG"
+            value: "info"
+        resources:
+          requests:
+            memory: 100Mi
+            cpu: 50m
+          limits:
+            memory: 500Mi
+            cpu: 200m
+        args:
+          - "daemon"
+        volumeMounts:
+          - mountPath: /etc/oura
+            name: oura-config
+      volumes:
+      - name: oura-config
+        configMap:
+          name: oura

testdrive/cardano2webhook/skaffold.yaml

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+apiVersion: skaffold/v2beta26
+kind: Config
+metadata:
+  name: endpoint
+deploy:
+  kubectl:
+    manifests:
+      - k8s/endpoint.yaml
+---
+apiVersion: skaffold/v2beta26
+kind: Config
+metadata:
+  name: oura
+requires:
+  - configs: [elastic]  
+deploy:
+  kubectl:
+    manifests:
+      - k8s/oura.yaml