feat(templates) add gitlab templates

Signed-off-by: Benoit Mortier <benoit.mortier@fusiondirectory.org>

.gitlab/issue_templates/Backporting.md

+### Description
+
+<!-- Required -->
+<!-- Description of the issue -->
+
+### Source FusionDirectory Version
+
+<!-- Required -->
+<!-- FusionDirectory version where the code come from -->
+
+### Destination FusionDirectory Version
+
+<!-- Required -->
+<!-- FusionDirectory version where the code sould go -->
+
+### Plugin with the new code
+
+<!-- Required -->
+<!-- Name of the plugin -->
+
+### Reason of Backporting code
+
+<!-- Required -->
+
+### What defect does it correct
+
+<!-- Required -->
+<!-- Why do we backport this code -->
+
+### Additional Information
+<!-- optional -->
+<!-- Any additional information, configuration or data that might be necessary to reproduce the issue. -->

.gitlab/issue_templates/Bugs.md

+### Description
+
+<!-- Required -->
+<!-- Description of the issue -->
+
+### Distribution Name and Version
+
+<!-- Required -->
+<!-- Debian, Centos -->
+
+### FusionDirectory Version
+
+<!-- Required -->
+
+### PHP version used
+
+<!-- Required -->
+
+### Origin of php packages
+
+<!-- Required -->
+<!-- Distribution packages, Out of distribution -->
+
+### Steps to Reproduce
+
+<!-- Required -->
+1. [First Step]
+2. [Second Step]
+3. [and so on...]
+
+**Expected behavior:**
+
+<!-- What you expect to happen-->
+
+**Actual behavior:**
+
+<!-- What actually happens -->
+
+**Reproduces how often:**
+<!-- What percentage of the time does it reproduce?-->
+
+### Additional Information
+<!-- optional -->
+<!-- Any additional information, configuration or data that might be necessary to reproduce the issue. -->
\ No newline at end of file

.gitlab/issue_templates/Contribution.md

+### Requirements
+
+* Filling out the template is required. Any Enhancement request that does not include enough information to be reviewed in a timely manner may be closed at the maintainers' discretion.
+* All new code requires tests to ensure against regressions
+
+## Descriptive title for this contribution
+
+<!-- required -->
+
+### Step by step description of this contribution
+
+<!-- Required -->
+1. [First Step]
+2. [Second Step]
+3. [and so on...]
+
+### Schemas needed by this contribution
+
+<!-- Describe if schema changes are needed by this contribution -->
+<!-- Describe if new schemas are need for this contribution -->
+
+### Benefits
+
+<!-- Required -->
+<!-- What benefits will be realized with this contribution ? -->
+
+### Possible Drawbacks
+
+<!-- optional -->
+<!-- What are the possible side-effects or negative impacts of this contribution ? -->
+
+### Actual use cases
+
+<!-- optional -->
+<!-- Enter any applicable Issues here -->

.gitlab/issue_templates/Enhancement.md

+### Requirements
+
+* Filling out the template is required. Any Enhancement request that does not include enough information to be reviewed in a timely manner may be closed at the maintainers' discretion.
+* All new code requires tests to ensure against regressions
+
+## Descriptive title for this enhancement
+
+<!-- required -->
+
+### Actual behavior
+
+<!-- What actually happens -->
+
+### Expected behavior
+
+<!-- What you expect to happen-->
+
+### Step by step description of new behaviour
+
+<!-- Required -->
+1. [First Step]
+2. [Second Step]
+3. [and so on...]
+
+### Benefits
+
+<!-- optional -->
+<!-- What benefits will be realized by the code change? -->
+
+### Possible Drawbacks
+
+<!-- optional -->
+<!-- What are the possible side-effects or negative impacts of the code change? -->
+
+### Applicable Issues
+
+<!-- optional -->
+<!-- Enter any applicable Issues here -->

.gitlab/merge_request_templates/Merge.md

+### Requirements
+
+* Filling out the template is required. Any pull request that does not include enough information to be reviewed in a timely manner may be closed at the maintainers' discretion.
+* All new code requires tests to ensure against regressions
+
+## Title of the Pull Requests 
+
+<!-- required -->
+
+
+### Description of the Change
+
+<!-- required -->
+<!-- can be an aglomeration of commits bodies -->
+
+### Benefits
+
+<!-- optional -->
+<!-- What benefits will be realized by the code change? -->
+
+### Possible Drawbacks
+
+<!-- optional -->
+<!-- What are the possible side-effects or negative impacts of the code change? -->
+
+### Applicable Issues
+
+<!-- optional -->
+<!-- Enter any applicable Issues here -->
\ No newline at end of file