project: add component configuration file

.gitignore

@@ -1,8 +1,7 @@
 .vscode
 build
 dependencies.lock
-main/idf_component.yml
 managed_components
 sdkconfig
 sdkconfig.ci
-sdkconfig.old
+sdkconfig.old

main/idf_component.yml

@@ -0,0 +1,20 @@
+# @file      idf_component.yml
+# @brief     mender-esp32-example main component dependencies
+#
+# Copyright joelguittet and mender-mcu-client contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dependencies:
+  espressif/esp_websocket_client: "~=1.2.3"
+  joltwallet/littlefs: "~=1.14.2"