added gitea, added descriptions

Gitea/docker-compose.yml

@@ -0,0 +1,43 @@
+---
+services:
+  server:
+    image: gitea/gitea:1.20.2
+    container_name: gitea
+    environment:
+      - USER_UID=1000
+      - USER_GID=1000
+      - GITEA__database__DB_TYPE=postgres
+      - GITEA__database__HOST=db:5432
+      # Obviously change these. Use ${var} to read from ENV
+      - GITEA__database__NAME=gitea
+      - GITEA__database__USER=gitea
+      - GITEA__database__PASSWD=gitea
+    restart: always
+    networks:
+      - gitea
+      - public
+    volumes:
+      - ./gitea:/data
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    ports:
+      - "3000:3000"
+      - "222:22"
+    depends_on:
+      - db
+  db:
+    image: postgres:14
+    restart: always
+    environment:
+      - POSTGRES_USER=gitea
+      - POSTGRES_PASSWORD=gitea
+      - POSTGRES_DB=gitea
+    networks:
+      - gitea
+    volumes:
+      - ./postgres:/var/lib/postgresql/data
+networks:
+  gitea:
+    internal: true
+  public:
+    internal: false

README.md

@@ -4,3 +4,12 @@ Many of the `docker-compose.y(a)ml`s have comments inside of them.
 At least take a look at these, and/or the README files in the directories.
 
 Use your common sense to bring these into production use.
+
+## What do these do?
+
+* [FileBrowser](https://github.com/filebrowser/filebrowser) is a web-based file-browser.
+* [Jellyfin](https://jellyfin.org/) - media self-hosting. Feels like modern streaming services.
+* [Pacoloco](https://github.com/anatol/pacoloco) - pre-fetch Arch updates. Can signficianly improve update times.
+* [Rabbitmq](https://www.rabbitmq.com/) - message broker for micro-services. Only here for templating.
+* Tracing - several docker containers all in one. For combining OTel with Nginx.
+