Migrate to Biome, use TypeDoc for API generation

.config/.markdownlint.json

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+{
+  "extends": "../.markdownlint.json",
+  "MD051": false
+}

.config/typedoc.config.mjs

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+// @ts-check
+/** @type {Partial<import("typedoc").TypeDocOptions> & Partial<import("typedoc-plugin-markdown").PluginOptions> & Partial<import("typedoc-plugin-remark").PluginOptions>} */
+const config = {
+	entryPoints: ['../packages/annotation-comments/src/index.ts'],
+	tsconfig: '../packages/annotation-comments/tsconfig.json',
+	plugin: ['typedoc-plugin-markdown', 'typedoc-plugin-remark'],
+
+	// What to include in the output
+	disableSources: true,
+	excludeExternals: true,
+	excludeInternal: true,
+	excludePrivate: true,
+	excludeProtected: true,
+	hideGenerator: true,
+	hidePageHeader: true,
+	expandObjects: true,
+	expandParameters: true,
+	useCodeBlocks: true,
+	typeDeclarationVisibility: 'compact',
+
+	// Add custom preamble
+	mergeReadme: true,
+	readme: './typedoc.preamble.md',
+
+	// How to sort and group the output
+	sort: ['required-first', 'alphabetical'],
+	groupOrder: ['Classes', 'Constructors', 'Functions', 'Methods', 'Accessors', 'Variables', 'Interfaces', 'Type Aliases', '*'],
+
+	// Output location
+	outputFileStrategy: 'modules',
+
+	// Markdown-specific settings
+	outputs: [
+		{
+			name: 'markdown',
+			path: '../packages/annotation-comments',
+			options: {
+				cleanOutputDir: false,
+			},
+		},
+	],
+	remarkStringifyOptions: {
+		bullet: '-',
+		handlers: {
+			text: (node, _, state, info) => state.safe(node.value, info).replace(/\r?\n/g, ' '),
+		},
+	},
+	remarkPlugins: [
+		[
+			'remark-link-rewrite',
+			{
+				replacer: (url) => url.replace(/^.*?\.md#/g, '#'),
+			},
+		],
+	],
+}
+
+export default config