Rework backing storage system

Step one: Copy the struct definitions over into a new, dedicated
submodule
Step two: Make a generator script
Step three: Define helper functions for various queries

storage-new/models/Reaction.go

@@ -0,0 +1,10 @@
+package models
+
+import "gorm.io/gorm"
+
+type Reaction struct {
+	gorm.Model
+	NoteId    string
+	ReactorId string
+	EmoteId   uint
+}