Updating epic template

.gitlab/issue_templates/Epic.md

 ## Summary
 
-(Summarize the EPIC goals)
+The idea is to provide an internationalization solution on the data side for the Startinblox projects.
+
+## Lead Dev(s)
+
+@lead-dev
 
 ## Related issues in Core Projects
 
-[] [Issue 1 with associated link]()
-[] [Issue 2 with associated link]()
-[x] [Issue 3 done]()
-[x] [Issue 4 done]()
+* [ ] https://git.startinblox.com/framework/sib-core/issues/548
+* [ ] https://git.startinblox.com/djangoldp-packages/djangoldp/issues/203
+
+## Customers waiting for it
 
+* Coopstarter Knowledge Base
+* Startinblox Website
+* ...
 
 ## Related issues in the associated project (if any)
 
-[] [Issue 1 with associated link]()
-[] [Issue 2 with associated link]()
-[x] [Issue 3 done]()
-[x] [Issue 4 done]()
+* [ ] [Issue 1 with associated link]()
+* [ ] [Issue 2 with associated link]()
+* [X] [Issue 3 done]()
+* [X] [Issue 4 done]()
 
-## Expected delivery date
 
+## Expected delivery date
 
+* Provide a date
 
 ## Related milestones
 
+* Milestone in sib-core
+* Milestone in customer project
 
-/label ~epic ~doing ~needs-specs
-/cc @balessan
+/cc @balessan
\ No newline at end of file
-/assign @lead-dev
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