docs: reframe as generic SVN-Git mirror, Gitea as example integration

config.yml.example

@@ -1,4 +1,4 @@
-# gitea-svn-mirror configuration
+# svn-git-mirror configuration
 # Full reference: see README.md
 
 data_dir: /var/svn-mirror
@@ -19,17 +19,22 @@ mirrors:
       # branches: branches
       # tags: tags
 
-    # ── Gitea integration ───────────────────────────────────
+    # ── Git server integration ─────────────────────────────
+    # Works with any Git server exposing bare repos on disk
+    # (Gitea, Forgejo, GitLab, plain bare repos, etc.).
+    # The section is named "gitea" for historical reasons.
     gitea:
       owner: myorg
       repo: myproject
 
-      # Path to Gitea's on-disk bare repos.  Required for
-      # push_to_gitea, fetch_from_gitea, and the webhook flow.
+      # Path to bare repos on disk.  Required for push/fetch
+      # and the webhook flow.
       # Typical locations:
-      #   Gitea binary → /var/lib/gitea/data/repositories
-      #   Gitea Docker → /data/git/repositories
-      #   git user     → /home/git/repositories
+      #   Gitea binary  → /var/lib/gitea/data/repositories
+      #   Gitea Docker  → /data/git/repositories
+      #   Forgejo       → /var/lib/forgejo/data/repositories
+      #   GitLab        → /var/opt/gitlab/git-data/repositories
+      #   git user      → /home/git/repositories
       repos_path: /var/lib/gitea/data/repositories
 
       # Webhook receiver (used by `webhook` command)