fix api

README.md

@@ -113,6 +113,7 @@ GET v1/data -> {
 
 --- fetch configuration options for a given channel id ---
 GET v1/config/channel/:id -> {
+    "channel": {
         "id": ...,
         "thermocouple": ...,
         "gain": ...,
@@ -121,6 +122,7 @@ GET v1/config/channel/:id -> {
         "filter": {
             "sample_size": ...,
             "type": ...,
+        }
     },
     "time": "..."
 }
@@ -142,7 +144,10 @@ GET v1/config/device -> {
 --- Fetch the DB config options ---
 --- This can leak sensitive information so this endpoint must be ---
 --- explicitly enabled in the API section of the config file. ---
-GET v1/config/db
+GET v1/config/db -> {
+    "db": { ... },
+    "time": "..."
+}
 
 --
 -- All POST requests are in the form: