Update RULES.md

Author: utarwyn

RULES.md

@@ -13,9 +13,14 @@
 | EC8  | @ecocode/avoid-high-accuracy-geolocation | Avoid using high accuracy geolocation             |             |
 | EC11 | @ecocode/no-multiple-access-dom-element  | Call a DOM element multiple times without caching |             |
 | EC12 | @ecocode/no-multiple-style-changes       | Modify several CSS properties all at once         |             |
+| EC25 | @ecocode/no-empty-image-src-attribute    | Do not use an image with empty source attribute   |             |
+| EC26 | @ecocode/prefer-shorthand-css-notations  | Prefer shorthand CSS notations                    |             |
+| EC29 | @ecocode/avoid-css-animations            | Avoid usage of CSS animations                     |             |
+| EC30 | @ecocode/provide-print-css               | Provide a print stylesheet                        |             |
 
 ### Back-end
 
-| #    | ESLint key                                  | Rule Name                              | Observation             |
-|------|---------------------------------------------|----------------------------------------|-------------------------|
-| EC13 | @ecocode/prefer-collections-with-pagination | Prefer API collections with pagination | for NestJS (TypeScript) |
+| #    | ESLint key                                  | Rule Name                                   | Observation             |
+|------|---------------------------------------------|---------------------------------------------|-------------------------|
+| EC13 | @ecocode/prefer-collections-with-pagination | Prefer API collections with pagination      | for NestJS (TypeScript) |
+| EC24 | @ecocode/limit-db-query-results             | Limit the number of returns for a SQL query |                         |