HTTP(S) API connection plugin (#39224)

* HTTPAPI connection

* Punt run_commands to cliconf or httpapi

* Fake enable_mode on eapi

* Pull changes to nxos

* Move load_config to edit_config for future-preparedness

* Don't fail on lldp disabled

* Re-enable check_rc on nxos' run_commands

* Reorganize nxos httpapi plugin for compatibility

* draft docs for connection: httpapi

* restores docs for connection:local for eapi

* Add _remote_is_local to httpapi

test/integration/targets/eos_config/tests/eapi/src_basic.yaml

@@ -9,12 +9,10 @@
     parents:
       - interface Ethernet2
     match: none
-    provider: "{{ eapi }}"
 
 - name: configure device with config
   eos_config:
     src: basic/config.j2
-    provider: "{{ eapi }}"
   register: result
 
 - assert:
@@ -26,7 +24,6 @@
 - name: check device with config
   eos_config:
     src: basic/config.j2
-    provider: "{{ eapi }}"
   register: result
 
 - assert: