fix: unify user ID type to string and rename service to users-api

app/users/api/etc/users-api.yaml

@@ -0,0 +1,25 @@
+Name: user-api
+Host: 0.0.0.0
+Port: 8888
+
+Prometheus:
+  Host: 0.0.0.0
+  Port: 4001
+  Path: /metrics
+
+# ===== PROC CONFIG =====
+#UsercenterRpcConf:
+#  Target: k8s://juwan/user-rpc-svc:8080
+#UserVerificationRpc:
+#  Target: k8s://juwan/user_verifications-svc:8080
+
+# ===== DEV CONFIG ====
+UserVerificationRpc:
+  Endpoints:
+    - user-verifications-rpc:8080
+UsercenterRpcConf:
+  Endpoints:
+    - user-rpc:8080
+
+Log:
+  Level: debug