consul: add page (#1277)

pages/common/consul-kv.md

@@ -0,0 +1,15 @@
+# consul-kv
+
+> Distributed key-value store with health checking and service discovery.
+
+- Read a value from the key-value store:
+
+`consul kv get {{key}}`
+
+- Store a new key-value pair:
+
+`consul kv put {{key}} {{value}}`
+
+- Delete a key-value pair:
+
+`consul kv delete {{key}}`