* Document: Add description to get YAML config file

Add description for currently all the way to get YAML config file in Configure Spring Boot Properties

Signed-off-by: laingke <liangkexxxxx@gmail.com>

* Document: Fix typo

Signed-off-by: laingke <liangkexxxxx@gmail.com>

* Document: Remove \u200D char

Signed-off-by: laingke <liangkexxxxx@gmail.com>

* Document: Remove \u200D char

Signed-off-by: laingke <liangkexxxxx@gmail.com>

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Signed-off-by: laingke <liangkexxxxx@gmail.com>