Fix documentation's mention of obsolete ContextSource param

Author: spenczar

docs/hooks.md

@@ -8,7 +8,7 @@ The service constructor can use `hooks *twirp.ServerHooks` to plug in additional
 functionality:
 
 ```go
-func NewHaberdasherServer(svc Haberdasher, hooks *twirp.ServerHooks, ctxSrc ContextSource) http.Handler
+func NewHaberdasherServer(svc Haberdasher, hooks *twirp.ServerHooks) http.Handler
 ```
 
 These _hooks_ provide a framework for side-effects at important points while a

website/i18n/en.json

@@ -8,6 +8,8 @@
     "Best Practices": "Best Practices",
     "command_line": "Command line parameters",
     "Command line parameters": "Command line parameters",
+    "curl": "cURL",
+    "cURL": "cURL",
     "errors": "Errors",
     "Errors": "Errors",
     "example": "Usage Example: Haberdasher",