Add initial 11ty website structure

website/node_modules/bcp-47-match/index.d.ts

@@ -0,0 +1,47 @@
+export function basicFilter(
+  tags: string | Tags,
+  ranges: string | Ranges | undefined
+): Tags
+export function extendedFilter(
+  tags: string | Tags,
+  ranges: string | Ranges | undefined
+): Tags
+export function lookup(
+  tags: string | Tags,
+  ranges: string | Ranges | undefined
+): string | undefined
+/**
+ * BCP-47 tag.
+ */
+export type Tag = string
+/**
+ * List of BCP-47 tags.
+ */
+export type Tags = Array<Tag>
+/**
+ * RFC 4647 range.
+ */
+export type Range = string
+/**
+ * List of RFC 4647 range.
+ */
+export type Ranges = Array<Range>
+/**
+ * An internal check.
+ */
+export type Check = (tag: Tag, range: Range) => boolean
+/**
+ * Filter: yields all tags that match a range.
+ */
+export type Filter = FilterOrLookup<true>
+/**
+ * Lookup: yields the best tag that matches a range.
+ */
+export type Lookup = FilterOrLookup<false>
+/**
+ * A check.
+ */
+export type FilterOrLookup<IsFilter extends boolean> = (
+  tags: Tag | Tags,
+  ranges?: Range | Ranges | undefined
+) => IsFilter extends true ? Tags : Tag | undefined