[META/MOD] Modify changelog and config page.

docs/CHANGELOG.md

@@ -31,6 +31,7 @@ The following endpoints were added:
 
 ### Bug Fixes & General Improvements
 
+- Use `j2s` for parsing the configuration
 - Fixed a double-free in `RouteUserProfile()` that would cause errors
 with certain Matrix clients. (#35)
 - Improved compatibility with NetBSD on various platforms.
@@ -43,6 +44,8 @@ parsing request bodies.
 
 ### New Features
 
+- Implemented a `"pid"` option in the configuration, allowing Telodendria 
+to write its process ID to a specified file.
 - Moved all administrator API endpoints to `/_telodendria/admin/v1`,
 because later revisions of the administrator API may break clients, so
 we want a way to give those breaking revisions new endpoints.

docs/user/config.md

@@ -106,6 +106,9 @@ Here are the top-level directives:
   or you want to start over. **serverName** should be a DNS name that
   can be publicly resolved. This directive is required.
 
+- **pid:** `String`
+  Configure the file Telodendria writes its PID to.
+
 - **baseUrl:** `String`
 
   Set the server's base URL. **baseUrl** should be a valid URL,