Merge Develop into Main (#300)

- Made an external app from internal Calculator app
- Update tactility.py to v1.2.0 (fix bug with selfupdate)
- Added warning to Development service UI
- Add context to `SECURITY.md`
- Split `ObjectFileReader` and `ObjectFileWriter` into separate cpp files
- Fix related to GPS config read errors

ExternalApps/Calculator/main/CMakeLists.txt

@@ -0,0 +1,6 @@
+file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+
+idf_component_register(
+    SRCS ${SOURCE_FILES}
+    REQUIRES TactilitySDK
+)