add php

Signed-off-by: Zoey <zoey@z0ey.de>

backend/config/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

backend/config/README.md

@@ -1,2 +0,0 @@
-These files are use in development and are not deployed as part of the final product.
- 

backend/config/default.json

@@ -1,10 +0,0 @@
-{
-  "database": {
-    "engine": "mysql",
-    "host": "db",
-    "name": "npm",
-    "user": "npm",
-    "password": "npm",
-    "port": 3306
-  }
-}

backend/config/sqlite-test-db.json

@@ -1,26 +0,0 @@
-{
-  "database": {
-      "engine": "knex-native",
-      "knex": {
-        "client": "sqlite3",
-        "connection": {
-          "filename": "/app/config/mydb.sqlite"
-        },
-        "pool": {
-          "min": 0,
-          "max": 1,
-          "createTimeoutMillis": 3000,
-          "acquireTimeoutMillis": 30000,
-          "idleTimeoutMillis": 30000,
-          "reapIntervalMillis": 1000,
-          "createRetryIntervalMillis": 100,
-          "propagateCreateError": false
-        },
-        "migrations": {
-          "tableName": "migrations",
-          "stub": "src/backend/lib/migrate_template.js",
-          "directory": "src/backend/migrations"
-        }
-      }
-    }
-}