feat: Initial project structure

- Creates the initial project structure for the Talía bot, including the `app` and `app/modules` directories.
- Adds placeholder files for the core application logic, modules, and configuration.
- Includes a `Dockerfile` and `docker-compose.yml` for containerization.
- Adds a `requirements.txt` file with the necessary dependencies.
- Creates a `tasks.md` file to track development progress.

app/permissions.py

@@ -0,0 +1,34 @@
+# app/permissions.py
+
+from config import OWNER_CHAT_ID, ADMIN_CHAT_IDS, TEAM_CHAT_IDS
+
+def get_user_role(chat_id):
+    """
+    Determines the role of a user based on their chat ID.
+    """
+    chat_id_str = str(chat_id)
+    if chat_id_str == OWNER_CHAT_ID:
+        return "owner"
+    if chat_id_str in ADMIN_CHAT_IDS:
+        return "admin"
+    if chat_id_str in TEAM_CHAT_IDS:
+        return "team"
+    return "client"
+
+def is_owner(chat_id):
+    """
+    Checks if a user is the owner.
+    """
+    return get_user_role(chat_id) == "owner"
+
+def is_admin(chat_id):
+    """
+    Checks if a user is an admin.
+    """
+    return get_user_role(chat_id) in ["owner", "admin"]
+
+def is_team_member(chat_id):
+    """
+    Checks if a user is a team member.
+    """
+    return get_user_role(chat_id) in ["owner", "admin", "team"]