PreferAppendLeft add Rules.MD and CHANGELOG.md

Co-authored-by: DataLabGroupe-CreditAgricole <[email protected]>

Author: cleophass

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Add rule GCI 97 Prefer Append Left
+
 ### Changed
 
 - Correction of various typos in rules documentations

RULES.md

@@ -71,6 +71,7 @@ Some are applicable for different technologies.
 | GCI92    | Use string.Length instead of comparison with empty string     | Comparing a string to an empty string is unnecessary and can be replaced by a call to `string.Length` which is more performant and more readable.                                                                                                                                                                                                                                                                             |                                                                                                                                                                         | 🚫   | 🚫  | 🚫 | 🚫     | 🚫   | ✅  | 🚫   |
 | GCI93    | Return `Task` directly                                        | Consider returning a `Task` directly instead of a single `await`                                                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                         | ❓    | ❓   | ❓  | ❓      | ❓    | ✅  | ❓    |
 | GCI94    | Use orElseGet instead of orElse                               | Parameter of orElse() is evaluated, even when having a non-empty Optional. Supplier method of orElseGet passed as an argument is only executed when an Optional value isn’t present. Therefore, using orElseGet() will save computing time.                                                                                                                                                                                   | [Optimized use of Java Optional Else](https://github.com/green-code-initiative/creedengo-challenge/issues/77)                                                           | ✅    | 🚫  | 🚫 | 🚫     | 🚫   | 🚫 | 🚫   |
+| GCI97    | Prefer Append Left                               | If you want to When you want to insert an element at the beginning of a list, it's better to use a deques or a double linkedlist.                                                                                                                                                                              |   | ❓  | ❓  | ❓  | 🚀     | ❓  | ❓  | ❓   |
 | GCI203   | Detect unoptimized file formats                               | When it is possible, to use svg format image over other image format                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                                                                         | 🚧   | 🚀  | 🚀 | ✅      | 🚀   | 🚀 | 🚫   |
 | GCI404   | Avoid list comprehension in iterations                        | Use generator comprehension instead of list comprehension in for loop declaration                                                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                         | 🚫   | 🚫  | 🚫 | ✅      | 🚫   | 🚫 | 🚫   |
 | GCI522   | Sobriety: Brightness Override                                 | To avoid draining the battery, iOS and Android devices adapt the brightness of the screen depending on the environment light.                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                         | 🚫   | 🚫  | ✅ | 🚫      | 🚫   | 🚫 | 🚫   |