♻️ 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

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✅ Ready for Easypanel deployment (no root dir needed)

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

dealplustech-astro/node_modules/micromark/dev/lib/initialize/flow.js

@@ -1,86 +0,0 @@
-/**
- * @import {
- *   InitialConstruct,
- *   Initializer,
- *   State,
- *   TokenizeContext
- * } from 'micromark-util-types'
- */
-
-import {ok as assert} from 'devlop'
-import {blankLine, content} from 'micromark-core-commonmark'
-import {factorySpace} from 'micromark-factory-space'
-import {markdownLineEnding} from 'micromark-util-character'
-import {codes, types} from 'micromark-util-symbol'
-
-/** @type {InitialConstruct} */
-export const flow = {tokenize: initializeFlow}
-
-/**
- * @this {TokenizeContext}
- *   Self.
- * @type {Initializer}
- *   Initializer.
- */
-function initializeFlow(effects) {
-  const self = this
-  const initial = effects.attempt(
-    // Try to parse a blank line.
-    blankLine,
-    atBlankEnding,
-    // Try to parse initial flow (essentially, only code).
-    effects.attempt(
-      this.parser.constructs.flowInitial,
-      afterConstruct,
-      factorySpace(
-        effects,
-        effects.attempt(
-          this.parser.constructs.flow,
-          afterConstruct,
-          effects.attempt(content, afterConstruct)
-        ),
-        types.linePrefix
-      )
-    )
-  )
-
-  return initial
-
-  /** @type {State} */
-  function atBlankEnding(code) {
-    assert(
-      code === codes.eof || markdownLineEnding(code),
-      'expected eol or eof'
-    )
-
-    if (code === codes.eof) {
-      effects.consume(code)
-      return
-    }
-
-    effects.enter(types.lineEndingBlank)
-    effects.consume(code)
-    effects.exit(types.lineEndingBlank)
-    self.currentConstruct = undefined
-    return initial
-  }
-
-  /** @type {State} */
-  function afterConstruct(code) {
-    assert(
-      code === codes.eof || markdownLineEnding(code),
-      'expected eol or eof'
-    )
-
-    if (code === codes.eof) {
-      effects.consume(code)
-      return
-    }
-
-    effects.enter(types.lineEnding)
-    effects.consume(code)
-    effects.exit(types.lineEnding)
-    self.currentConstruct = undefined
-    return initial
-  }
-}