games: added gameyfin and separate games entry

wiki/docker/grimsi_-_gameyfin.md

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+# grimsi - gameyfin
+
+This is a [Docker](/wiki/docker.md) container for a [Gameyfin](/wiki/games/gameyfin.md).
+
+## Set-up
+
+Create the files `rebuild.sh` and `docker-compose.yml` at the same place.
+Change the settings according to your needs and run `./rebuild.sh` afterwards.
+
+## Environment-variables
+
+Set the following environment-variables in the `environment:` section of the
+docker-compose file.
+
+| Name                              | Usage                                   | Default |
+| --------------------------------- | --------------------------------------- | ------- |
+| `GAMEYFIN_USER`                   | user name for gameyfin                  |         |
+| `GAMEYFIN_PASSWORD`               | password for gameyfin                   |         |
+| `GAMEYFIN_IGDB_API_CLIENT_ID`     | id of twitch internet game database     |         |
+| `GAMEYFIN_IGDB_API_CLIENT_SECRET` | secret of twitch internet game database |         |
+
+## Volumes
+
+Set the following volumes in the `volumes:` section of the docker-compose file.
+
+| Outside mount/volume name | Container mount         | Description                    |
+| ------------------------- | ----------------------- | ------------------------------ |
+| `media_games`             | `/opt/gameyfin-library` | storage for games and configs  |
+
+## Ports
+
+Set the following ports in the `ports:` section.
+
+| Container Port | Recommended outside port | Protocol | Description            |
+| -------------- | ------------------------ | -------- | ---------------------- |
+| `8080`         | `8093`                   | TCP      | WebUI                  |
+
+
+## rebuild.sh
+
+```sh
+#!/bin/sh
+docker-compose down
+docker-compose up -d
+```
+
+## docker-compose.yml
+
+```yml
+version: "3"
+services:
+  gameyfin:
+    image: grimsi/gameyfin:latest
+    container_name: gameyfin
+    environment:
+      - GAMEYFIN_USER=admin
+      - GAMEYFIN_PASSWORD=admin
+      - GAMEYFIN_IGDB_API_CLIENT_ID=id
+      - GAMEYFIN_IGDB_API_CLIENT_SECRET=secret
+    volumes:
+      - media_games:/opt/gameyfin-library
+      - config:/opt/gameyfin-library/.gameyfin
+    ports:
+      - "8093:8080"
+
+volumes:
+    media_games:
+    config:
+```