add initial project structure with configuration, models, and API key authentication

internal/models/bug_report_file.go

@@ -0,0 +1,21 @@
+package models
+
+import "time"
+
+type FileRole string
+
+const (
+	FileRoleAttachment FileRole = "attachment"
+	FileRoleScreenshot FileRole = "screenshot"
+	FileRoleLog        FileRole = "log"
+)
+
+type BugReportFile struct {
+	ID          int64     `db:"id"            json:"id"`
+	BugReportID int64     `db:"bug_report_id" json:"bug_report_id"`
+	Filename    string    `db:"filename"      json:"filename"`
+	MimeType    string    `db:"mime_type"     json:"mime_type"`
+	Role        FileRole  `db:"role"          json:"role"`
+	Data        []byte    `db:"data"          json:"-"`
+	CreatedAt   time.Time `db:"created_at"   json:"created_at"`
+}