docs: standardize formatting in markdown files for consistency

Author: reenatoteixeira

.github/ISSUE_TEMPLATE/BUG_REPORT.md

@@ -1,8 +1,8 @@
 ---
 name: Bug Report
 about: Report a bug to help us improve the project
-title: "[BUG] "
-labels: [ "bug" ]
+title: '[BUG] '
+labels: ['bug']
 ---
 
 ## 🐛 Bug Description
@@ -31,4 +31,4 @@ _A clear and concise description of what you expected to happen._
 
 ## 📌 Possible Fixes
 
-_Any suggestions for fixing the issue?_
+_Any suggestions for fixing the issue?_

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.md

@@ -1,15 +1,18 @@
 ---
 name: Feature Request
 about: Suggest a new feature or improvement for the project
-title: "[Feature] "
-labels: [ "enhancement" ]
+title: '[Feature] '
+labels: ['enhancement']
 ---
 
 ## ✨ Feature Description
+
 _A clear and concise description of what you want to happen._
 
 ## 📌 Tasks
+
 - [ ] List any key implementation steps.
 
 ## 🤔 Additional Context
-_Any additional information, mockups, or references?_
+
+_Any additional information, mockups, or references?_

.github/PULL_REQUEST_TEMPLATE.md

@@ -22,4 +22,4 @@ _If this PR is linked to any existing issue, reference it (e.g., Fixes #123). Ot
 
 ## 🚀 Additional Notes
 
-_Any additional information needed_
+_Any additional information needed_

docs/CODE_OF_CONDUCT.md

@@ -62,4 +62,4 @@ This Code of Conduct is adapted from the **Contributor Covenant**, version 2.1:
 ---
 
 By contributing to this project, you agree to follow this Code of Conduct.  
-Thank you for making GameBlame a great and inclusive space! 🚀🎮
+Thank you for making GameBlame a great and inclusive space! 🚀🎮

docs/CONTRIBUTING.md

@@ -68,7 +68,7 @@ revert:    # Reverting a previous commit
 
 ```sh
 git push origin <branch>
-``` 
+```
 
 ### 8. Create a Pull Request
 
@@ -113,5 +113,4 @@ Feel free to open an issue or ask in our [Discord](https://discord.gg/RbSCJWZpaw
 
 Thanks for contributing! 🎮✨
 
-
----
+---

docs/DATABASE.md

@@ -77,10 +77,10 @@ Stores registered user-specific backlog data.
 
 ```json
 {
-  "userUid": "string",  // Reference to users.uid
+  "userUid": "string", // Reference to users.uid
   "games": [
     {
-      "steamAppId": "string",  // Reference to games.steamAppId
+      "steamAppId": "string", // Reference to games.steamAppId
       "status": "string",
       "addedAt": "timestamp"
     }
@@ -113,4 +113,4 @@ Stores game addition requests from users.
 }
 ```
 
----
+---