Add sub-skills from ui-ux-pro-max-skill repo

Added:
- banner-design (new)
- brand (new)
- design-system (new)
- slides (new)
- ui-ux-pro-max data/scripts (from GitHub clone)
- ui-styling data/scripts (from GitHub clone)

skills/website-creator/brand/references/messaging-framework.md

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+# Messaging Framework
+
+## Framework Structure
+
+```
+Mission (Why we exist)
+    ↓
+Vision (Where we're going)
+    ↓
+Value Proposition (What we offer)
+    ↓
+Positioning Statement (How we're different)
+    ↓
+Key Messages (What we say)
+    ↓
+Proof Points (Why to believe)
+```
+
+## Core Statements
+
+### Mission Statement
+```
+We [action] for [audience] by [method] so they can [outcome].
+```
+
+### Vision Statement
+```
+A world where [aspiration/change we want to see].
+```
+
+### Value Proposition
+```
+For [target customer] who [need/problem],
+[Product/Brand] is a [category]
+that [key benefit].
+Unlike [competitors],
+we [unique differentiator].
+```
+
+### Positioning Statement
+```
+[Brand] is the [category] for [audience]
+who want [desired outcome]
+because [reason to believe].
+```
+
+## Message Architecture
+
+### Primary Message
+One sentence that captures your core value.
+
+### Supporting Messages (3-5)
+Each addresses a different benefit or audience need.
+
+| Message | Audience Need | Proof Point |
+|---------|---------------|-------------|
+| [Message 1] | [Need] | [Evidence] |
+| [Message 2] | [Need] | [Evidence] |
+| [Message 3] | [Need] | [Evidence] |
+
+### Elevator Pitches
+
+**10-second:**
+[One sentence that sparks interest]
+
+**30-second:**
+[Problem + solution + differentiation]
+
+**60-second:**
+[Full pitch with proof points]
+
+## Message by Audience
+
+| Audience | Pain Point | Key Message | CTA |
+|----------|------------|-------------|-----|
+| [Segment 1] | [Pain] | [Message] | [Action] |
+| [Segment 2] | [Pain] | [Message] | [Action] |
+
+## Message Testing
+
+1. Is it clear? (No jargon)
+2. Is it differentiated? (Competitors can't say it)
+3. Is it credible? (Can we prove it)
+4. Is it compelling? (Does audience care)
+5. Is it consistent? (Aligns with brand)