docs(github): update content

fix link
change code block to checklist

.github/PULL_REQUEST_TEMPLATE.md

 ## Checklist
 Please check if your PR fulfills the following requirements:
 
-- [ ] The commit message follows our guidelines: [Conventional Commit](https://github.com/flyve-mdm/android-library-glpi/blob/develop/CONTRIBUTING.md#submit-a-pull-request)
+- [ ] The commit message follows our guidelines: [Conventional Commit](https://conventionalcommits.org/)
 - [ ] Tests for the changes have been added (for bug fixes / features)
 - [ ] Docs have been added / updated (for bug fixes / features)
 
 
 ## PR Type
 What kind of change does this PR introduce?
-
 <!-- Please check the one that applies to this PR using "x". -->
-```
-[ ] Bugfix
-[ ] Feature
-[ ] Code style update (formatting, local variables)
-[ ] Refactoring (no functional changes, no api changes)
-[ ] Build related changes
-[ ] CI related changes
-[ ] Documentation content changes
-[ ] Other... Please describe:
-```
+
+- [ ] Bugfix
+- [ ] Feature
+- [ ] Code style update (formatting, local variables)
+- [ ] Refactoring (no functional changes, no api changes)
+- [ ] Build related changes
+- [ ] CI related changes
+- [ ] Documentation content changes
+- [ ] Other... Please describe:
+
 
 ## What is the current behavior?
 <!-- Please describe the current behavior that you are modifying, or link to a relevant issue. -->
@@ -31,10 +30,10 @@ Issue # N/A
 
 
 ## Does this PR introduce a breaking change?
-```
-[ ] Yes
-[ ] No
-```
+
+- [ ] Yes
+- [ ] No
+
 <!-- If this PR contains a breaking change, please describe the impact and migration path for existing applications below. -->