added pd subsystem files (#368)

Author: EliFeinberg

data/tidb-operator/pd-config.json

@@ -0,0 +1,31 @@
+{
+    "deploy": {
+        "steps": [
+            {
+                "apply": {
+                    "file": "data/tidb-operator/crd.yaml",
+                    "namespace": null
+                }
+            },
+            {
+                "apply": {
+                    "file": "data/tidb-operator/bundle.yaml",
+                    "operator": true
+                }
+            }
+        ]
+    },
+    "crd_name": "tidbclusters.pingcap.com",
+    "seed_custom_resource": "data/tidb-operator/cr.yaml",
+    "example_dir": "data/tidb-operator/examples",
+    "analysis": {
+        "github_link": "https://github.com/pingcap/tidb-operator.git",
+        "commit": "acf57346c962a0bdb9d5c1de8870c332c5adc185",
+        "entrypoint": "cmd/controller-manager",
+        "type": "TidbCluster",
+        "package": "github.com/pingcap/tidb-operator/pkg/apis/pingcap/v1alpha1"
+    },
+    "focus_fields": [
+        ["spec", "pd"]
+    ]
+}

data/tidb-operator/pd-cr.yaml

@@ -0,0 +1,51 @@
+apiVersion: pingcap.com/v1alpha1
+kind: TidbCluster
+metadata:
+  name: test-cluster
+spec:
+  version: "v5.4.0"
+  timezone: UTC
+  configUpdateStrategy: RollingUpdate
+  helper:
+    image: busybox:1.34.1
+  pvReclaimPolicy: Retain
+  enableDynamicConfiguration: true
+  pd:
+    baseImage: pingcap/pd
+    config: |
+      [dashboard]
+        internal-proxy = true
+    replicas: 3
+    maxFailoverCount: 0
+    requests:
+      storage: 10Gi
+    mountClusterClientSecret: true
+  tidb:
+    baseImage: pingcap/tidb
+    config: |
+      [performance]
+        tcp-keep-alive = true
+    replicas: 3
+    maxFailoverCount: 0
+    service:
+      type: NodePort
+      externalTrafficPolicy: Local
+  tikv:
+    baseImage: pingcap/tikv
+    config: |
+      log-level = "info"
+    replicas: 3
+    maxFailoverCount: 0
+    separateRaftLog: true # should be enabled
+    requests:
+      storage: 100Gi
+    mountClusterClientSecret: true
+    recoverFailover: false # should be enabled
+  # tlsCluster:
+  #   enabled: true # should be enabled
+  # cluster:
+  #   clusterDomain: asdasd # this is a bug of tidb
+  #   name: obsakkicls # this is a bug of tidb
+  #   namespace: zmmwzofdbq # this is a bug of tidb
+  # discovery:
+  #   configUpdateStrategy: RollingUpdate # this is a bug of tidb