sync moved to modules

modules/sync/README.md

@@ -0,0 +1,71 @@
+## Usage
+
+Sync Hudozka
+```bash
+<ENV> python3 sync.py
+```
+
+
+### Environment variables
+
+**YANDEX_DISK_ACCESS_TOKEN**
+
+For access to files using Yandex.Disk API
+
+[How to obtain token for testing](https://tech.yandex.ru/oauth/doc/dg/tasks/get-oauth-token-docpage/)
+
+Example: 
+```bash
+YANDEX_DISK_ACCESS_TOKEN=<Your_Access_Token>
+```
+
+Authorize url. Replace with your app id
+```
+https://oauth.yandex.ru/authorize?response_type=token&client_id=<идентификатор приложения>
+```
+
+#### SYNC_LOCAL_PATH
+
+Path to scan files from
+
+Example:
+```bash
+SYNC_LOCAL_PATH=/Users/tmshv/Yandex.Disk
+```
+
+#### SYNC_STATIC
+
+Path to local folder for compiled files (images, uploads)
+
+Example: 
+```bash
+SYNC_STATIC=~/Desktop/Hudozka Static
+```
+
+#### SYNC_PROVIDER
+
+Type of file provider
+
+- *fs* for local access
+- *yd* for access using Yandex.Disk API (YANDEX_DISK_ACCESS_TOKEN is required)
+
+Example: 
+```bash
+SYNC_PROVIDER=fs
+```
+
+#### MONGO_URI
+
+URI for MongoDB access
+
+Example:
+ ```bash
+ mongodb://localhost:27017/hudozka
+ ```
+
+#### SYNC_ENV
+
+Environment like *NODE_ENV*
+
+- *production* default value
+- *development* don't update/delete documents from DB