docs: Document environment variables for config options

docs/configuration.mdx

@@ -37,6 +37,10 @@ CONTINUWUITY_ANTISPAM__DRAUPNIR__BASE_URL="https://draupnir.example.com"
 # Alternatively, you can pass a (quoted) struct to define an entire section
 # This maps to the [global.well_known] section
 CONTINUWUITY_WELL_KNOWN="{ client=https://example.com,server=example.com:443 }"
+
+# Options that take a list are written as a (quoted) array
+CONTINUWUITY_TRUSTED_SERVERS='["matrix.org"]'
+CONTINUWUITY_PORT='[8008, 8448]'
 ```
 
 ### Alternative prefixes

docs/deploying/kubernetes.mdx

@@ -79,7 +79,7 @@ spec:
               value: "https://matrix.example.com"
             - name: CONTINUWUITY_ALLOW_REGISTRATION
               value: "false"
-            - name: RUST_LOG
+            - name: CONTINUWUITY_LOG
               value: info
           readinessProbe:
             httpGet: