Update concept-components.md

Removed unnecessary comma.
Update concept-properties.md

Minor syntax changes
Merge pull request #6145 from cdvrooman/patch-13

[skip ci] Update concept-components.md
Merge pull request #6146 from cdvrooman/patch-14

[skip ci] Update concept-properties.md
Update concept-events.md

Minor syntax changes.
Merge pull request #6152 from cdvrooman/patch-15

Update concept-events.md
Update concept-behaviors.md

Minor syntax changes.
Merge pull request #6154 from cdvrooman/patch-17

Update concept-behaviors.md
Fixes #6030: More Spanish docs
Update concept-configurations.md
update readme.md [skip ci]
Update concept-autoloading.md

Minor syntax changes.
Update concept-service-locator.md

Minor syntax changes.
Fixes #6107 and #6112: `yii message` was emptying existing translations and incorrectly writing not yet translated strings in .po in case of multiple categories
Merge pull request #6159 from cdvrooman/patch-21

Update concept-service-locator.md
Merge pull request #6158 from cdvrooman/patch-20

Update concept-autoloading.md
Merge pull request #6156 from cdvrooman/patch-18

Update concept-configurations.md
Merge pull request #6157 from pana1990/guide-es

update readme.md [skip ci]
Update db-dao.md

Minor syntax changes.
Merge pull request #6165 from cdvrooman/patch-22

Update db-dao.md