First commit, basic SQLite store, worker, and server

fakes.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"context"
+	"sync"
+)
+
+type fakeST struct {
+	dept string
+	err  error
+	chapterID int64
+}
+
+func (f *fakeST) GetUser(ctx context.Context, id int64) (*User, error) {
+	if f.err != nil {
+		return nil, f.err
+	}
+	return &User{ID: id, ChapterID: f.chapterID, Department: f.dept}, nil
+}
+