add issues templates (#4455)

* add issues templates

* fix typo

.github/ISSUE_TEMPLATE/enhancement_request.md

@@ -0,0 +1,19 @@
+---
+name: Enhancement Request
+about: Suggest an enhancement for an existing Reflex feature.
+title: ''
+labels: 'enhancement'
+assignees: ''
+---
+
+**Describe the Enhancement you want**
+A clear and concise description of what the improvement does.
+
+- Which feature do you want to improve? (and what problem does it have)
+
+- What is the benefit of the enhancement?
+
+- Show an example/usecase were the improvement are needed.
+ 
+**Additional context**
+Add any other context here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: Feature Request
+about: Suggest a new feature for Reflex
+title: ''
+labels: 'feature request'
+assignees: ''
+
+---
+
+**Describe the Features**
+A clear and concise description of what the features does.
+
+- What is the purpose of the feature?
+
+- Show an example / use cases for the new feature.
+ 
+**Additional context**
+Add any other context here.