fixed temp. detection deletion (wrong size), added documentation

.gitignore

@@ -2,11 +2,6 @@
 *.o
 *.pyc
 
-# gtags
-GTAGS
-GRTAGS
-GPATH
-
 # emacs
 .dir-locals.el
 
@@ -21,47 +16,8 @@ GPATH
 # MacOS directory files
 .DS_Store
 
-# Example project files
-examples/**/sdkconfig
-examples/**/sdkconfig.old
-examples/**/build
-
 # Doc build artifacts
-docs/_build/
-docs/doxygen_sqlite3.db
-
-# Downloaded font files
-docs/_static/DejaVuSans.ttf
-docs/_static/NotoSansSC-Regular.otf
-
-# Unit test app files
-tools/unit-test-app/sdkconfig
-tools/unit-test-app/sdkconfig.old
-tools/unit-test-app/build
-tools/unit-test-app/builds
-tools/unit-test-app/output
-tools/unit-test-app/test_configs
-
-# Unit Test CMake compile log folder
-log_ut_cmake
-
-# test application build files
-tools/test_apps/**/build
-tools/test_apps/**/sdkconfig
-tools/test_apps/**/sdkconfig.old
-
-# IDF monitor test
-tools/test_idf_monitor/outputs
-
-TEST_LOGS
-
-# gcov coverage reports
-*.gcda
-*.gcno
-coverage.info
-coverage_report/
-
-test_multi_heap_host
+docs
 
 # VS Code Settings
 .vscode/
@@ -84,6 +40,5 @@ build
 # lock files for examples and components
 dependencies.lock
 
-build/
 sdkconfig
 sdkconfig.old