bugfix: {{NC}} typo, bot TOML v3 parsing, add_secret v3 format

- install.sh: fix {{NC}} -> ${NC} color escape on line 265
- bot.py: fix TOML parsing for telemt v3 [access.users] format
- bot.py: fix telemt config section [server].port instead of [config].listen_port
- telemt_config.sh: fix add_secret_to_config() for v3 format

lib/telemt_config.sh

@@ -81,13 +81,17 @@ add_secret_to_config() {
         return 1
     fi
 
-    # Добавляем новый блок [[users]]
-    cat >> "$config" << EOSECRET
+    # telemt v3: добавляем ключ в секцию [access.users]
+    # Формат: name = "secret" под блоком [access.users]
+    if grep -q '\[access\.users\]' "$config"; then
+        sed -i "/\[access\.users\]/a ${name} = \"${secret}\"" "$config"
+    else
+        cat >> "$config" << EOSECRET
 
-[[users]]
-  name = "${name}"
-  secret = "${secret}"
+[access.users]
+${name} = "${secret}"
 EOSECRET
+    fi
 
     log_success "Добавлен секрет: $name"
 }