add issue template

Author: jedahan

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,38 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**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]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/issue.md

@@ -0,0 +1,26 @@
+---
+name: issue
+about: report something surprising
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- This template helps us help you faster, please follow the checklist at the bottom <3 -->
+
+Describe the bug here
+
+<!-- share your system, shell, and terminal -->
+* System: Ubuntu 18.04/macOS 10.13.1/WSL on Windows 10
+* Terminal: st 0.8.2/alacritty 0.6.0/iTerm2 3.3.7
+* Shell: zsh v5.4.1
+
+<!-- starting with the following zshrc, can you reproduce the issue? -->
+<!-- please share any modifications necessary -->
+
+```zsh
+# ~/.zshrc
+test -d ~/.geometry || git clone https://github.com/geometry-zsh/geometry.git ~/.geometry
+source ~/.geometry/geometry.zsh
+```