add functional code and config files

.env.sample

@@ -0,0 +1,29 @@
+# Name to configure and display on Gitea
+APP_NAME=Gitea: Git with a cup of tea
+
+# Protocol to use for Gitea
+PROTOCOL=https
+
+# Domain for Gitea
+DOMAIN=git.example.com
+
+# Virtual host for Gitea
+VIRTUAL_HOST=git.example.com
+
+# Virtual port for Gitea
+VIRTUAL_PORT=3000
+
+# Letsencrypt host for Gitea
+LETSENCRYPT_HOST=git.example.com
+
+# Letsencrypt email for Gitea
+LETSENCRYPT_EMAIL=admin@example.com
+
+# Name for PostgreSQL database
+DB_NAME=gitea
+
+# User for PostgreSQL database
+DB_USER=gitea
+
+# Password for database user
+DB_PASSWD=gitea