Update mip.md (geosolutions-it#12002)

Author: tdipisa

.github/ISSUE_TEMPLATE/mip.md

@@ -1,60 +1,56 @@
 ---
-name: MapStore Improvement Proposal
-about: Create an Improvement Proposal for this project
+name: MapStore Improvement Proposal (MIP)
+about: Suggest a major architectural change or a significant new feature or improvement
 title: ''
 labels: 'MIP'
 assignees: tdipisa, offtherailz, allyoucanmap, MV88, giohappy
 
 ---
 
 # MIP <num> - <title of the MIP here>
+<!-- **Important:** Before submitting a new MIP, please ensure you have an active PSC member willing to sponsor the proposal. -->
 
-**Please check out the MapStore contributing rules at:**
-https://github.com/geosolutions-it/MapStore2/wiki/Contributing-to-MapStore
+<!-- We strongly recommend starting a discussion on the mailing list before opening a MIP issue. This helps gather initial feedback and identify a potential sponsor. Proposals without a PSC sponsor or a clear commitment to implementation may be reclassified as General Enhancements. -->
 
+<!-- MapStore mailing lists at: https://github.com/geosolutions-it/MapStore2?tab=readme-ov-file#communication -->
 
-## Overview
+<!-- Thank you for your contribution! -->
 
-Describe briefly and clearly what this proposal is meant for.
+<!-- Please check out the MapStore contributing rules at: 
+https://github.com/geosolutions-it/MapStore2/wiki/Contributing-to-MapStore -->
 
-### Proposed By
+## Overview
+<!-- Describe briefly and clearly what this proposal is meant for. -->
 
-<user and full name of the proponent>
+### Proposed By
+<!-- user and full name of the proponent-->
 
 ### Assigned to Release
-
-This proposal is for MapStore <version>.
+<!-- This proposal is for MapStore <version>. -->
 
 ### State
-
 * [x] Under Discussion
 * [ ] In Progress
 * [ ] Completed
 * [ ] Rejected
 * [ ] Deferred
 
 ### Motivation
-
-Details about the motivations. Why people should accept this proposal. What are the benefits compared to the current situation.
+<!-- Details about the motivations. Why people should accept this proposal. What are the benefits compared to the current situation. -->
 
 ## Proposal
-
-Technical details for developers.
+<!-- Technical details for developers. -->
 
 ### Backwards Compatibility
-
-Declare its Backwards Compatibility, if necessary.
+<!-- Declare its Backwards Compatibility, if necessary. -->
 
 ## Future evolution
-
-Explain which could be future evolutions.
+<!-- Explain which could be future evolutions. -->
 
 ## Feedback
-
-Update this section with relevant feedbacks, if any.
+<!-- Update this section with relevant feedbacks, if any. -->
 
 ## Voting
-
 Project Steering Committee:
 
 * @tdipisa:
@@ -64,8 +60,7 @@ Project Steering Committee:
 * @giohappy:
 
 ## Links
-
-Remove unused links below.
+<!-- Remove unused links below. -->
 
 * [Email Discussion]()
 * [Pull Request]()