docs: Formalize Synology NAS repo standards with REQUIREMENTS.md, maintenance instructions, and setup guides. Fix service typos and standardize filenames.

paperless/SETUP.md

@@ -0,0 +1,34 @@
+# Service Setup Guide: Paperless-ngx
+
+## 1. Pre-Setup (Manual)
+### Create Service User
+- [ ] **Manual**: Create a user named `svc-paperless` in Synology Control Panel.
+- [ ] **Manual**: Give this user read/write access to the `docker` and `media` shared folders.
+
+### Get User IDs
+- [ ] **Manual**: SSH into NAS and run `id svc-paperless`.
+- [ ] **Expected Output**: `uid=1036(svc-paperless) gid=65538(svc-group)`.
+- [ ] **Action**: Note these IDs for the `stack.env` file.
+
+## 2. Infrastructure Setup
+### Run Setup Script
+- [ ] **Action**: Run the setup script from this directory:
+  ```bash
+  sudo bash create_paperless_folders.sh
+  ```
+- **What it does**: 
+  - Creates `/volume1/docker/paperless/{data,media,consume,export}`.
+  - Creates `/volume1/docker/paperless/redisdata`.
+  - Sets ownership to `svc-paperless`.
+
+## 3. Portainer Deployment
+### Environment Variables
+- [ ] **Action**: Create or update `stack.env` in Portainer with:
+  - `PUID=1036` (Replace with your actual ID)
+  - `PGID=65538` (Replace with your actual ID)
+  - `PAPERLESS_SECRET_KEY` (Generate a long random string)
+
+### Deploy
+- [ ] **Action**: Create a new stack named `paperless` in Portainer.
+- [ ] **Action**: Paste `docker-compose.portainer.yml` and deploy.
+- [ ] **Verification**: Access Paperless at `http://[NAS_IP]:8010`.