feat: [R] bookmark location change patch

Fixes #1

patches/change_navigation_bar.config.json

@@ -0,0 +1,16 @@
+{
+    "portrait": [
+        "home",
+        "discover",
+        "feed",
+        "bookmarks",
+        "profile"
+    ],
+    "landscape": [
+        "home",
+        "discover",
+        "feed",
+        "bookmarks",
+        "profile"
+    ]
+}

patches/change_navigation_bar.py

@@ -0,0 +1,52 @@
+"""Move and replace navigation bar tabs"""
+
+# patch settings
+# priority, default: 0
+priority = 0
+
+# imports
+## bundled
+from typing import TypedDict
+
+## installed
+from lxml import etree
+
+## custom
+from config import config, log
+
+
+# Patch
+class PatchConfig_ChangeNavigationBar(TypedDict):
+    portrait: list[str]
+    landscape: list[str]
+
+
+allowed_items = ["home", "discover", "feed", "bookmarks", "profile"]
+
+
+def modify_menu(menu: list[str], path: str) -> None:
+    for item in menu:
+        if item not in allowed_items:
+            log.warning(f"menu item `{item}` is not allowed, removing from list")
+            menu.remove(item)
+
+    root = etree.Element("menu", nsmap={"android": config['xml_ns']['android']})
+    for item in menu:
+        element = etree.SubElement(root, "item")
+        element.set(f"{{{config['xml_ns']['android']}}}icon", f"@drawable/nav_{item}")
+        element.set(f"{{{config['xml_ns']['android']}}}id", f"@id/tab_{item}")
+        element.set(f"{{{config['xml_ns']['android']}}}title", f"@string/{item}")
+
+    tree = etree.ElementTree(root)
+    tree.write(
+        path,
+        pretty_print=True,
+        xml_declaration=True,
+        encoding="utf-8",
+    )
+
+
+def apply(patch_conf: PatchConfig_ChangeNavigationBar) -> bool:
+    modify_menu(patch_conf["portrait"], f"{config['folders']['decompiled']}/res/menu/bottom.xml")
+    modify_menu(patch_conf["landscape"], f"{config['folders']['decompiled']}/res/menu/navigation_rail_menu.xml")
+    return True