Added greeting bot🤖 (conwnet#203)

* Create main.yml

* Update main.yml

Author: himanshu007-creator

.github/workflows/main.yml

@@ -0,0 +1,21 @@
+# Configuration for welcome - https://github.com/behaviorbot/welcome
+
+# Configuration for new-issue-welcome - https://github.com/behaviorbot/new-issue-welcome
+# Comment to be posted to on first time issues
+
+newIssueWelcomeComment: >
+  Hello there!👋 Welcome to the project!💖
+  Thank you and congrats🎉for opening your very first issue in this project.Be patient while we get back to you.😄
+  
+# Configuration for new-pr-welcome - https://github.com/behaviorbot/new-pr-welcome
+# Comment to be posted to on PRs from first time contributors in your repository
+
+newPRWelcomeComment: >
+  Hello there!👋 Welcome to the project!💖
+  Thank you and congrats🎉 for opening your first pull request✨ 🙌.We will get back to you as soon as we can.😄
+  
+# Configuration for first-pr-merge - https://github.com/behaviorbot/first-pr-merge
+# Comment to be posted to on pull requests merged by a first time user
+
+firstPRMergeComment: >
+  Congrats on merging your first pull request! 🎉🎉🎉 We here at github1s are proud of you!