Chore: Update issue templates (#791)

.github/ISSUE_TEMPLATE/Bug_report.md

@@ -0,0 +1,48 @@
+---
+name: Bug/Issue report
+about: Create a report to help us improve
+
+---
+
+Please fill out the following template so we can reproduce and fix your issue as quickly as possible!
+
+**Note:** if your issue includes a potential security vulnerability, please do not file it here. Instead, email the issue to security@box.com for support.
+
+**Note:** if your issue involves annotations.js/css, please report the issue [here](https://github.com/box/box-annotations/issues/new).
+
+**Environment:**
+- Preview version:
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+ - Version [e.g. 22]
+
+**Steps to reproduce the problem:**
+1.
+2.
+3.
+
+**What is the expected behavior? (Screenshots can be helpful here)**
+
+**What went wrong? (Screenshots, console logs, or HAR files can be helpful here)**
+
+**Link to application or sample code:**
+
+**If relevant, link to file (or attach file here)**
+
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.