Updated issue templates

Author: HaaLeo

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,13 +1,14 @@
 ---
 name: Bug report
 about: Create a report to help us improve
-
+labels: bug
+assignees: ''
 ---
 
 <!-- Please fulfill the table below-->
-| Python Version | swarmlib Version |
-| -------------- | --------------- |
-|                |                 |
+| Python Version | swarmlib Version | OS |
+| -------------- | ---------------- | -- |
+|                |                  |    |
 
 # Description
 <!-- Please add a brief description of the error you are receiving here.-->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,8 @@
 ---
 name: Feature request
 about: Suggest an idea for this project
-
+labels: enhancement
+assignees: ''
 ---
 
 **Is your feature request related to a problem? Please describe.**

.github/pull_request_template.md

@@ -0,0 +1,15 @@
+---
+name: Pull Request Template
+about: Create a pull request to resolve an issue
+assignees: 'HaaLeo'
+---
+
+# Summary
+<!-- Please give a brief summary about what changes with this pull request -->
+
+# Changes
+<!-- List detailed changes here as bullets -->
+* 
+
+# Related Issues
+<!-- Mention the issue this PR relates to. E.g.: Fixes #1 -->