♻️ Restructure: Move Astro to repository root

BREAKING CHANGE: Astro project is now at repository root
- Removed dealplustech-astro subdirectory
- Moved all Astro files to root
- Updated PostCSS config to .cjs
- Removed old Next.js files

✅ 11 pages built successfully
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✅ Privacy/Terms links in footer
✅ Ready for Easypanel deployment (no root dir needed)

Migration path:
- Old structure: /dealplustech-astro/
- New structure: / (root)

dealplustech-astro/node_modules/prismjs/components/prism-asm6502.js

@@ -1,29 +0,0 @@
-Prism.languages.asm6502 = {
-	'comment': /;.*/,
-	'directive': {
-		pattern: /\.\w+(?= )/,
-		alias: 'property'
-	},
-	'string': /(["'`])(?:\\.|(?!\1)[^\\\r\n])*\1/,
-	'op-code': {
-		pattern: /\b(?:ADC|AND|ASL|BCC|BCS|BEQ|BIT|BMI|BNE|BPL|BRK|BVC|BVS|CLC|CLD|CLI|CLV|CMP|CPX|CPY|DEC|DEX|DEY|EOR|INC|INX|INY|JMP|JSR|LDA|LDX|LDY|LSR|NOP|ORA|PHA|PHP|PLA|PLP|ROL|ROR|RTI|RTS|SBC|SEC|SED|SEI|STA|STX|STY|TAX|TAY|TSX|TXA|TXS|TYA|adc|and|asl|bcc|bcs|beq|bit|bmi|bne|bpl|brk|bvc|bvs|clc|cld|cli|clv|cmp|cpx|cpy|dec|dex|dey|eor|inc|inx|iny|jmp|jsr|lda|ldx|ldy|lsr|nop|ora|pha|php|pla|plp|rol|ror|rti|rts|sbc|sec|sed|sei|sta|stx|sty|tax|tay|tsx|txa|txs|tya)\b/,
-		alias: 'keyword'
-	},
-	'hex-number': {
-		pattern: /#?\$[\da-f]{1,4}\b/i,
-		alias: 'number'
-	},
-	'binary-number': {
-		pattern: /#?%[01]+\b/,
-		alias: 'number'
-	},
-	'decimal-number': {
-		pattern: /#?\b\d+\b/,
-		alias: 'number'
-	},
-	'register': {
-		pattern: /\b[xya]\b/i,
-		alias: 'variable'
-	},
-	'punctuation': /[(),:]/
-};