Update guides

Author: cabol

guides/introduction/nbx-adapters.md

@@ -8,6 +8,7 @@ Currently we officially support the following adapters:
 | Generational Local Cache | [Nebulex.Adapters.Local][la] | [nebulex_local][la] |
 | Partitioned | [Nebulex.Adapters.Partitioned][pa] | [nebulex_distributed][pa] |
 | Multilevel | [Nebulex.Adapters.Multilevel][ma] | [nebulex_distributed][ma] |
+| Coherent | [Nebulex.Adapters.Coherent][ca] | [nebulex_distributed][ca] |
 | Redis | [Nebulex.Adapters.Redis][nbx_redis] | [nebulex_redis_adapter][nbx_redis] |
 | Cachex | [Nebulex.Adapters.Cachex][nbx_cachex] | [nebulex_adapters_cachex][nbx_cachex] |
 | DiskLFU | [Nebulex.Adapters.DiskLFU][disk_lfu] | [nebulex_disk_lfu][disk_lfu] |
@@ -16,6 +17,7 @@ Currently we officially support the following adapters:
 [la]: http://hexdocs.pm/nebulex_local/3.0.0-rc.2/Nebulex.Adapters.Local.html
 [pa]: http://hexdocs.pm/nebulex_distributed/3.0.0-rc.2/Nebulex.Adapters.Partitioned.html
 [ma]: http://hexdocs.pm/nebulex_distributed/3.0.0-rc.2/Nebulex.Adapters.Multilevel.html
+[ca]: http://hexdocs.pm/nebulex_distributed/3.0.0-rc.2/Nebulex.Adapters.Coherent.html
 [nbx_redis]: http://hexdocs.pm/nebulex_redis_adapter/3.0.0-rc.2/Nebulex.Adapters.Redis.html
 [nbx_cachex]: http://hexdocs.pm/nebulex_adapters_cachex/3.0.0-rc.2/Nebulex.Adapters.Cachex.html
 [disk_lfu]: http://github.com/elixir-nebulex/nebulex_disk_lfu

guides/upgrading/v3.0.md

@@ -32,6 +32,27 @@ end
 
 ---
 
+## Update Adapter Compile-Time Options
+
+Some adapters support compile-time options like `:primary_storage_adapter` for
+configuring the underlying storage adapter. In v3, these options must be wrapped
+in the `:adapter_opts` keyword list.
+
+For example, if you're using `Nebulex.Adapters.Partitioned` with a custom
+primary storage adapter:
+
+```diff
+defmodule MyApp.PartitionedCache do
+  use Nebulex.Cache,
+    otp_app: :my_app,
+    adapter: Nebulex.Adapters.Partitioned,
+-   primary_storage_adapter: Nebulex.Adapters.Local
++   adapter_opts: [primary_storage_adapter: Nebulex.Adapters.Local]
+end
+```
+
+---
+
 ## Update Cache API Calls
 
 The most significant change is in the [Cache API][cache_api]. Nebulex v3 has a