First guide added about gogs (README updated)

Guides/gogs.md

@@ -0,0 +1,66 @@
+# Gogs
+
+_The lightweigth github clone_
+
+## PostgreSQL setup
+
+### Create gogs user
+
+`$ sudo -u postgres psql`
+
+`postgres=# CREATE ROLE gogs_app WITH CREATEDB LOGIN PASSWORD 'VerySecretPassword';`
+
+### Create gogs database
+
+`postgres=# CREATE DATABASE gogs_db OWNER gogs_app;`
+
+Check database creation : `postgres=# \l`
+
+## Gogs unix user setup
+
+Create _gituser_ :
+`$ sudo adduser gituser`
+
+## Start gogs
+
+The binary of gogs is unziped in `/home/gituser/`
+
+[Download gogs binaries](https://gogs.io/docs/installation/install_from_binary)
+
+Please launch gogs as gituser.
+
+`$ sudo su gituser`
+
+`$ /home/gituser/gogs/gogs web`
+
+## Use ssh
+
+### Add ssh key
+
+Use the gui to add the public ssh key. Go to settings.
+
+### Repository url
+
+Example of repository url using SSH :
+
+`ssh://gituser@192.168.1.35:6666/DricomDragon/CodingGameSolver.git`
+
+## Migrate
+
+### Repositories
+
+`/home/gituser/gogs/gogs-repositories/`
+
+### Gogs configuration
+
+Your previous installation is marked as old :
+
+`$ mv gogs gogs_old`
+
+Three folders matter :
+
+`$ cp -R gogs_old/{custom,data,log} gogs`
+
+### Database
+
+Backup the `gogs_db` from PostgreSQL.

README.md

@@ -15,3 +15,7 @@ Scripts used to install common features from a fresh installation of a debian di
 ### Common scripts
 
 Custom scripts that can be installed in `/usr/local/bin/` to automate handy things.
+
+### Guides
+
+Markdown files which explains how to set up tools like gogs.