feat: bruno calls for creating merchant and registering POS device

bruno/collections/Rafiki/POS Service APIs/Create Merchant.bru

@@ -0,0 +1,23 @@
+meta {
+  name: Create Merchant
+  type: http
+  seq: 1
+}
+
+post {
+  url: http://localhost:3008/merchants
+  body: json
+  auth: inherit
+}
+
+body:json {
+  {
+    "name": "Test Merchant"
+  }
+}
+
+script:post-response {
+  const body = res.getBody()
+
+  bru.setEnvVar('merchantId', body.id)
+}

bruno/collections/Rafiki/POS Service APIs/Register POS Device.bru

@@ -0,0 +1,20 @@
+meta {
+  name: Register POS Device
+  type: http
+  seq: 2
+}
+
+post {
+  url: http://localhost:3008/merchants/{{merchantId}}/devices
+  body: json
+  auth: inherit
+}
+
+body:json {
+  {
+    "deviceName": "Test POS Device 3",
+    "publicKey": "test_public_key",
+    "algorithm": "ecdsa-p256-sha256",
+    "walletAddress": "https://cloud-nine-wallet-backend/accounts/gfranklin"
+  }
+}

bruno/collections/Rafiki/POS Service APIs/folder.bru

@@ -0,0 +1,8 @@
+meta {
+  name: POS Service APIs
+  seq: 8
+}
+
+auth {
+  mode: inherit
+}