Update issue templates

.github/ISSUE_TEMPLATE/commander-specific-theme-request.md

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+---
+name: Commander-Specific Theme Request
+about: Request a new theme tied to a specific commander's abilities, or report an
+  existing commander theme that is missing, misconfigured, or lacking synergy coverage.
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+### Commander Name
+_Full card name of the commander. (e.g., "Atraxa, Praetors' Voice")_
+
+### Theme Name
+_What is the commander-specific theme being requested? (e.g., "Atraxa Proliferate", "Meren Reanimator")_
+
+### Request Type
+- [ ] New commander theme — this commander has no theme in the catalog for this strategy
+- [ ] Existing theme fix — a theme exists but is missing key synergy cards or has incorrect data
+- [ ] Theme description improvement — the description doesn't capture this commander's playstyle
+
+### Commander Color Identity
+_What is the commander's color identity? (e.g., WUBG)_
+
+### Theme Description
+_Describe how this theme works specifically with this commander. What does the deck try to do, and how does the commander enable or lead that strategy?_
+
+### Key Synergy Cards
+_List 3–10 cards that are particularly important for this commander's strategy. Include the card name and why it synergizes._
+
+```
+- Card Name — reason it synergizes with the commander
+- Card Name — reason it synergizes with the commander
+- Card Name — reason it synergizes with the commander
+```
+
+### Related Themes
+_Are there existing general themes this overlaps with? (e.g., a Meren Reanimator request would overlap with "Graveyard Recursion")_
+
+### Additional Notes
+_Anything else helpful — EDHREC page link, ruling clarifications, partner/background interactions, etc._