feat(configs): enable gNMI API on all network devices

Enables the gNMI (gRPC Network Management Interface) API across all leaf
and spine switches to allow for telemetry streaming and programmatic
device management.

Configuration details:
- Transport: grpc default
- Provider: eos-native

configs/leaf1.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf1
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 !

configs/leaf2.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf2
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 !

configs/leaf3.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf3
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 

configs/leaf4.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf4
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 

configs/leaf5.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf5
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 !

configs/leaf6.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf6
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 !

configs/leaf7.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf7
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 

configs/leaf8.cfg

@@ -3,6 +3,11 @@
 !
 hostname leaf8
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 

configs/spine1.cfg

@@ -3,6 +3,11 @@
 !
 hostname spine1
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 !

configs/spine2.cfg

@@ -3,6 +3,11 @@
 !
 hostname spine2
 !
+! enable gNMI API
+management api gnmi
+   transport grpc default
+   provider eos-native
+!
 ! admin/admin for ssh access
 username admin privilege 15 role network-admin secret sha512 $6$xQktFrbdeqEhVzLM$.1wOJB25nw2fqYaSXDu6y4mo6AP9hngMCFe2vGDl84hWoz00Q.4unoEBqspNI0HEoRz.OZhdBHqQv12KABf0B0
 !