Update CODEOWNERS file [No hash bump needed]

- Replace David by Volker as central manager
- Add the ci_script folder
- Add the macro folders ans assign to Eoin
- Add the online folder and assign to main creators of online pars
- Add the FSD folder and assign to Radim
- Add Eoin and Ilya as owner of PSD
- Add Martin and Simon as owners or RICH
- Add Mehul as owner of STS

CODEOWNERS

 # Ending a path in a `/` will specify the code owners for every file
 # nested in that directory, on any level
-/ @f.uhlig @p.-a.loizeau @d.emschermann
+/ @f.uhlig @p.-a.loizeau @v.friese
+
+# Repository technical side
+/ci_scripts/ @f.uhlig @p.-a.loizeau
+/macro/ @e.clerkin
 
 ## Detectors
 
 # TRD
 /trd/ @a.bercuci @p.kaehler
 
-# PSD
-#/psd/ @karpushkin_AT_inr.ru
+# PSD/FSD
+/psd/ @e.clerkin @i.selyuzhenkov
+/fsd/ @dvorar10_AT_fjfi.cvut.cz
 
 # MUCH
 /much/ @v.singhal
@@ -17,10 +22,13 @@
 /tof/ @n.herrmann @i.deppner
 
 # RICH
-/rich/ @s.lebedev
+/rich/ @s.lebedev @ma.beyer @s.neuhaus
 
 # STS
-/sts/ @v.friese @a.toia
+/sts/ @v.friese @a.toia @m.shiroya
 
 # MVD
 /mvd/ @c.muentz @m.deveaux
+
+# ONLINE
+/online/ @v.friese @d.smith @fweig @s.zharko