describe overrides in code and TOML, add docs about custom ports

Author: skudasov

book/src/framework/components/chainlink/node.md

@@ -56,6 +56,10 @@ Here we provide full configuration reference, if you want to copy and run it, pl
     use_cache = true
     # Describes deployed or external Chainlink node
     [cl_node.out.node]
+      # API user name
+      api_auth_user = '[email protected]'
+      # API password
+      api_auth_password = 'fj293fbBnlQ!f9vNs'
       # Host Docker URLs the test uses
       # in case of using external component you can replace these URLs with another deployment
       p2p_url = "http://127.0.0.1:32812"

book/src/framework/components/chainlink/nodeset.md

@@ -108,6 +108,10 @@ Then configure NodeSet
 
       # Describes deployed or external Chainlink node
       [nodeset.out.cl_nodes.node]
+        # API user name
+        api_auth_user = '[email protected]'
+        # API password
+        api_auth_password = 'fj293fbBnlQ!f9vNs'
         # Host Docker URLs the test uses
         # in case of using external component you can replace these URLs with another deployment
         p2p_url = "http://127.0.0.1:32996"

book/src/framework/components/external.md

@@ -45,6 +45,9 @@ For example, to integrate with remote `k8s` environment you can use `CTF_CONFIGS
       use_cache = true
 
       [nodeset.out.cl_nodes.node]
+        # set up your user/password for API authorization
+        api_auth_user = '[email protected]'
+        api_auth_password = 'fj293fbBnlQ!f9vNs'
         # set up each node URLs
         p2p_url = "http://127.0.0.1:12000"
         url = "http://127.0.0.1:10000"

framework/.changeset/v0.2.4.md

@@ -0,0 +1,3 @@
+- Add custom ports exposure in TOML
+- Return default user/password credentials in outputs, so we can connect to any node by overriding TOML params
+- Change `clclient.New` signature