Add PocketBase client with contracts and sharp build tooling

Elternbeirat.Contracts/Page.cs

@@ -0,0 +1,47 @@
+using System.Text.Json.Serialization;
+
+namespace Elternbeirat.Contracts;
+
+/// <summary>
+/// A content page. Pages also drive the site navigation: <see cref="Location"/>
+/// and <see cref="Order"/> decide where and in which order a page appears in the
+/// header or footer menu, and <see cref="Embed"/> lists dynamic blocks (posts,
+/// events, faqs) rendered below the page body.
+/// </summary>
+public record Page
+{
+    /// <summary>PocketBase record id.</summary>
+    [JsonPropertyName("id")]
+    public string Id { get; init; } = "";
+
+    /// <summary>Heading shown to visitors; may contain umlauts and spaces.</summary>
+    [JsonPropertyName("title")]
+    public string Title { get; init; } = "";
+
+    /// <summary>Page body in Markdown.</summary>
+    [JsonPropertyName("body")]
+    public string Body { get; init; } = "";
+
+    /// <summary>Where the page appears in the navigation: "header" or "footer".</summary>
+    [JsonPropertyName("location")]
+    public string Location { get; init; } = "";
+
+    /// <summary>Sort order within its navigation location; smaller is earlier.</summary>
+    [JsonPropertyName("order")]
+    public double Order { get; init; }
+
+    /// <summary>URL slug (lowercase, no umlauts), e.g. "board" -> /board.</summary>
+    [JsonPropertyName("slug")]
+    public string Slug { get; init; } = "";
+
+    /// <summary>
+    /// Dynamic blocks to render below the body: any of "posts", "events", "faqs".
+    /// Empty for a plain text page.
+    /// </summary>
+    [JsonPropertyName("embed")]
+    public IReadOnlyList<string> Embed { get; init; } = [];
+
+    /// <summary>Whether the page is visible to visitors.</summary>
+    [JsonPropertyName("public")]
+    public bool Public { get; init; }
+}