Add issue template (#89)

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,33 @@
+### General information
+
+<!-- Please answer all the questions below before submitting the issue. -->
+
+-   Operating system + version:
+-   Browser + version:
+-   Information about the host app:
+    -   How did you install it?
+        <!-- Installed via a package manager, downloaded a pre-built binary, compiled yourself? -->
+    -   If installed an official release, put a version (`$ browserpass --version`):
+    -   If built from sources, put a commit id (`$ git describe --always`):
+-   Information about the browser extension:
+    -   How did you install it?
+        <!-- Installed via a package manager, webstore, downloaded from Github, compiled yourself? -->
+    -   Browserpass extension version as reported by your browser:
+
+---
+
+If you are seeing "Error: Specified native messaging host not found", have you followed [Configure browsers](https://github.com/browserpass/browserpass-native#configure-browsers) documentation section?
+
+---
+
+### Exact steps to reproduce the problem
+
+1.
+
+2.
+
+3.
+
+### What should happen?
+
+### What happened instead?