add template + document framework in root README

template/README.md: stripped to a one-liner bootstrap command.
README.md: full project docs (structure, add page, add component, build.sh).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

template/components.yml

@@ -0,0 +1,39 @@
+# Component manifest — source of truth for the web UI.
+#
+# Edit this file, then run ./build.sh to:
+#   - download every remote component into sources/components/<name>/
+#   - generate sources/components.json (the runtime load list) in declared order
+#
+# Load order matters: service components (login-gate, api-client) must come
+# before the components that consume them.
+
+# Local components shipped inside this repo. Not downloaded — listed here only
+# so build.sh can place them in the generated load order.
+local_components: []
+
+# Remote components fetched from git at build time.
+# Each is its own repo; its root must contain <name>.js and manifest.json.
+#
+#   - name: side-nav
+#     repo: https://git.g3e.fr/syonad/syn-side-nav
+#     ref:  main
+components: []
+
+# Vendor libraries — downloaded into sources/vendor/ at build time (gitignored).
+# Components import them via relative paths, never via components.json.
+vendors: []
+
+# Pages — each page is a self-contained directory (JS + CSS + index.html + manifest.json).
+# Page manifest.json must contain: route, label, icon.
+# Page JS must export an optional init(main) function.
+
+local_pages:
+  - home
+
+remote_pages: []
+
+# Menu — order and visibility in the navigation.
+# List routes in desired display order.
+# A page not listed here is accessible via /#/route but hidden from the nav.
+menu:
+  - home