Adding libraries (#5339)

* Adding SerialLogger

* Adding ultiblox libraries

* Adding newline

* Adding libraries

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Co-authored-by: Maker Zone <[email protected]>

Author: maker-zone

repositories.txt

@@ -7469,3 +7469,7 @@ https://github.com/UltiBlox/DisplayValueOLED
 https://github.com/UltiBlox/LCDI2C
 https://github.com/UltiBlox/SensorAnalog
 https://github.com/UltiBlox/SerialLogger
+https://github.com/UltiBlox/ActiveThreshold
+https://github.com/UltiBlox/DisplayValueLCD
+https://github.com/UltiBlox/DisplayValueCommon
+https://github.com/UltiBlox/UltiBloxExamples