doc: add codeowners

CHANGELOG.md

@@ -21,7 +21,7 @@ to [Semantic Versioning][sem_ver].
 
 ### Added
 
-- **Doc**: Changelog
+- **Doc**: Changelog and code owners
 - **Controller**: Complete control over Serial
 - **Acquisition**: Angle sensor acquisition
 - **Acquisition**: PSU current and tension logging

CODEOWNERS

+# Each line is a file pattern followed by one or more owners.
+
+# The following owners will be the default owners for everything in
+# the repo. Unless a later match takes precedence, they
+# will be requested for review when someone opens a merge request.
+* @thlamb

README.md

@@ -107,8 +107,9 @@ measured and deactivate the calibration procedure altogether by putting
 
 ## Schematics
 
-To Do (ETA January 2023)
+To Do (in January 2023)
 
+-------
 [^1]: Discontinued by manufacturer.
 [^2]: Using an ACS758 chip LCB050B-3370XAA-1044.