Huge refactoring

util_scripts/gigachat_get_token.sh

@@ -0,0 +1,12 @@
+#/usr/bin/bash
+
+if [ -n "$GIGA_SECRET" ]; then
+    curl -k -L -X POST 'https://ngw.devices.sberbank.ru:9443/api/v2/oauth' \
+        -H 'Content-Type: application/x-www-form-urlencoded' \
+        -H 'Accept: application/json' \
+        -H "RqUID: $(uuidgen)" \
+        -H "Authorization: Bearer $GIGA_SECRET" \
+        --data-urlencode 'scope=GIGACHAT_API_PERS'
+else
+    echo "Please set GIGA_SECRET envvar"
+fi