(feat) add orchestration pages

pages/orchestration/file_manager/README.md

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+### Description
+
+This page helps you manage and edit script files to run with Hummingbot instances:
+
+- Selecting files
+- Editing and saving files
+
+### Maintainers
+
+This page is maintained by Hummingbot Foundation:
+
+* [cardosfede](https://github.com/cardosfede)
+* [fengtality](https://github.com/fengtality)

pages/orchestration/file_manager/app.py

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+from types import SimpleNamespace
+import streamlit as st
+from streamlit_elements import elements, mui
+
+from frontend.components.bots_file_explorer import BotsFileExplorer
+from frontend.components.dashboard import Dashboard
+from frontend.components.editor import Editor
+from frontend.st_utils import initialize_st_page
+
+initialize_st_page(title="Strategy Configs", icon="🗂️")
+
+
+if "fe_board" not in st.session_state:
+    board = Dashboard()
+    fe_board = SimpleNamespace(
+        dashboard=board,
+        file_explorer=BotsFileExplorer(board, 0, 0, 3, 7),
+        editor=Editor(board, 4, 0, 9, 7),
+    )
+    st.session_state.fe_board = fe_board
+
+else:
+    fe_board = st.session_state.fe_board
+
+# Add new tabs
+for tab_name, content in fe_board.file_explorer.tabs.items():
+    if tab_name not in fe_board.editor.tabs:
+        fe_board.editor.add_tab(tab_name, content["content"], content["language"])
+
+# Remove deleted tabs
+for tab_name in list(fe_board.editor.tabs.keys()):
+    if tab_name not in fe_board.file_explorer.tabs:
+        fe_board.editor.remove_tab(tab_name)
+
+with elements("file_manager"):
+    with mui.Paper(elevation=3, style={"padding": "2rem"}, spacing=[2, 2], container=True):
+        with fe_board.dashboard():
+            fe_board.file_explorer()
+            fe_board.editor()