tracker: single-binary project tracker with auth, api keys, and json api

Go + SQLite web app, server-rendered, hackerman theme. Projects with
descriptions, searchable notes, todo/doing/done task tracking. Bcrypt
login sessions, hashed api keys, full /api/v1 crud. Deploys on straylight
via configs/tracker.nix (prebuilt binary).

internal/server/templates/login.html

@@ -0,0 +1,17 @@
+{{template "header" .}}
+
+<section class="panel login-panel">
+  <h1 class="glow">// access</h1>
+  {{if .Error}}<p class="error-msg">{{.Error}}</p>{{end}}
+  <form method="post" action="/login" class="stack">
+    <label>handle
+      <input type="text" name="username" required autofocus autocomplete="username">
+    </label>
+    <label>passphrase
+      <input type="password" name="password" required autocomplete="current-password">
+    </label>
+    <button type="submit" class="btn primary">jack in ▸</button>
+  </form>
+</section>
+
+{{template "footer" .}}