Add Issue template - Client and Mentor meetings

.gitlab/issue_templates/client_mentor_meetings

+## Client and Mentor Meetings
+
+
+- Project title:
+- Project Repository:
+- Teams in the project:
+- Project Leads:
+ - Name1
+ - Name2
+- Project Coordinator:
+- Mentor:
+- Client:
+- Meeting Details:
+  - Regular meeting (Day and Time):
+  - Medium:
+  - Url:
+  
+## Minutes of Meeting
+
+### Meeting 1:
+  - Time:
+  - Participants
+  - Notes:
+    - Sample1
+    - Sample2
+  - Tasks: 
+
+
+### Meeting 2:
+  - Time:
+  - Participants
+  - Notes:
+    - Sample1
+    - Sample2
+  - Tasks: