feat(git): ✨ Add an example git server for some testing

36_git/selfhost/.gitignore

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+gitea

36_git/selfhost/README.md

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+# README
+
+Gitea is a git server.  
+
+## Start
+
+```sh
+cd 36_git/selfhost 
+
+docker compose up
+
+open http://localhost:3000/
+```
+
+## Test
+
+* Create a new user
+* Initialise a repo
+
+```sh
+touch README.md
+git init
+git checkout -b main
+git add README.md
+git commit -m "first commit"
+git remote add origin http://localhost:3000/gittest/anothertest.git
+git push -u origin main
+```
+
+## Cleanup
+
+```sh
+docker compose down
+```
+
+## Resources
+
+* Installation with Docker [here](https://docs.gitea.com/installation/install-with-docker)  

36_git/selfhost/docker-compose.yaml

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+version: "3"
+
+networks:
+  gitea:
+    external: false
+
+services:
+  server:
+    image: gitea/gitea:1.21.7
+    container_name: gitea
+    environment:
+      - USER_UID=1000
+      - USER_GID=1000
+    restart: always
+    networks:
+      - gitea
+    volumes:
+      - ./gitea:/data
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    ports:
+      - "3000:3000"
+      - "222:22"