Massive architectural rework

This commit massively overhauls the project's structure to simplify
development. Most parts are now correctly compartmentalized and
dependencies are passed in a sane way rather than global variables
galore xd.

pkg/API/app.go

@@ -0,0 +1,10 @@
+package API
+
+import "github.com/google/uuid"
+
+type App struct {
+	Id               uuid.UUID `json:"id,omitempty"`
+	Name             string    `json:"name,omitempty"`
+	DeploymentID     int64     `json:"deployment_id,omitempty"`
+	DeploymentStatus string    `json:"deployment_status,omitempty"`
+}