Rename project to apocapoc-api

Update module name and all imports from habit-tracker-api to apocapoc-api.
This reflects the project's new branding as part of the apocapoc ecosystem
(apocapoc-api, apocapoc-web, apocapoc-android).

internal/infrastructure/http/auth_middleware.go

@@ -5,7 +5,7 @@ import (
 	"net/http"
 	"strings"
 
-	"habit-tracker-api/internal/infrastructure/auth"
+	"apocapoc-api/internal/infrastructure/auth"
 )
 
 type contextKey string