wip: Make cross-module visibility explicit via Visibles structs

All access is/will be through interfaces accessed through these structs.

This introduces several distinct storage units:
+ DB for server state
+ DB for codeql databases
+ query pack store

The steps for manually creating needed databases are in the README

pkg/queue/types.go

@@ -1,11 +1,23 @@
 package queue
 
-import "mrvacommander/pkg/common"
+import (
+	"mrvacommander/pkg/common"
+	"mrvacommander/pkg/logger"
+)
 
 type QueueSingle struct {
 	NumWorkers int
 	jobs       chan common.AnalyzeJob
 	results    chan common.AnalyzeResult
+	modules    *QueueVisibles
+}
+
+type QueueVisibles struct {
+	Logger logger.Logger
+}
+
+func (q *QueueSingle) Setup(v *QueueVisibles) {
+	q.modules = v
 }
 
 func NewQueueSingle(numWorkers int) *QueueSingle {