fix(markdown): add fenced code language and replace bare URL (MD040, MD034)

- docs/index.md: Add 'text' language to 3 code fences (lines 37, 47, 55)
- LICENSE.md: Convert bare URL to markdown link (line 52)
- Resolves remaining critical lint errors from job 54269786984

Author: hummbl-dev

LICENSE.md

@@ -49,7 +49,7 @@ When using this Framework, you MUST:
 
 **For Commercial Licensing Inquiries:**  
 Contact: Reuben Bowlby, Chief Engineer, HUMMBL, LLC  
-GitLab: https://gitlab.com/hummbl-dev-group/hummbl-dev-project
+GitLab: [https://gitlab.com/hummbl-dev-group/hummbl-dev-project](https://gitlab.com/hummbl-dev-group/hummbl-dev-project)
 
 ### 2.2 Redistribution
 ❌ **PROHIBITED** without authorization:

docs/index.md

@@ -34,7 +34,7 @@ The HUMMBL Unified Tier Framework provides a comprehensive system for:
 
 ### Problem Complexity Tiers
 
-```
+```text
 Tier 1: Simple          ━━━━━━━━━━ (0-9 points)
 Tier 2: Complicated     ━━━━━━━━━━━━━━ (10-14 points)
 Tier 3: Complex         ━━━━━━━━━━━━━━━━━━ (15-19 points)
@@ -44,15 +44,15 @@ Tier 5: Super-Wicked    ━━━━━━━━━━━━━━━━━━
 
 ### Learning Progression
 
-```
+```text
 Tier 0: Awareness    →  Tier 1: Beginner    →  Tier 2: Intermediate
                                                         ↓
 Tier 4: Master       ←  Tier 3: Advanced     ←  [Continue Learning]
 ```
 
 ### Base-N Architecture
 
-```
+```text
 Base6   (6 models)   → Foundational
 Base12  (12 models)  → Emerging Practitioner
 Base24  (24 models)  → Professional Standard