Update issue templates

Author: philips77

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Information**
+This GitHub Issue page is for reporting issues or asking questions regarding the iOS DFU library. For general DFU questions, SDK questions, etc, please check our [DevZone](https://devzone.nordicsemi.com/).
+Make sure you are using the latest version of the library: [![Version](http://img.shields.io/cocoapods/v/iOSDFULibrary.svg)](http://cocoapods.org/pods/iOSDFULibrary)
+Also, before creating a new issue, make sure similar issue isn't already opened in [open](https://github.com/NordicSemiconductor/IOS-Pods-DFU-Library/issues) or [closed](https://github.com/NordicSemiconductor/IOS-Pods-DFU-Library/issues?q=is%3Aissue+is%3Aclosed) issues.
+
+**DFU Bootloader version (please complete the following information):**
+ - SDK version: [e.g. SDK 16]
+ - Bonding used: [yes/no]
+ - Library version: [e.g. 4.6.1]
+
+**Device information (please complete the following information):**
+ - Device: [e.g. iPhone 11]
+ - OS: [e.g. iOS 13.1]
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Logs**
+Add any other context or logs describing the problem here.

.github/ISSUE_TEMPLATE/question.md

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+---
+name: Question
+about: Ask a question regarding DFU Library for iOS
+title: ''
+labels: question
+assignees: ''
+
+---
+
+**Information**
+This GitHub Issue page is for reporting issues or asking questions regarding the iOS DFU library. For general DFU questions, SDK questions, etc, please check our [DevZone](https://devzone.nordicsemi.com/).
+Make sure you are using the latest version of the library: [![Version](http://img.shields.io/cocoapods/v/iOSDFULibrary.svg)](http://cocoapods.org/pods/iOSDFULibrary)
+Also, before asking a question, make sure similar issue isn't already opened in [open](https://github.com/NordicSemiconductor/IOS-Pods-DFU-Library/issues) or [closed](https://github.com/NordicSemiconductor/IOS-Pods-DFU-Library/issues?q=is%3Aissue+is%3Aclosed) issues.
+
+**DFU Bootloader version (please complete the following information):**
+ - SDK version: [e.g. SDK 16]
+ - Bonding used: [yes/no]
+ - Library version: [e.g. 4.6.1]
+
+**Device information (please complete the following information):**
+ - Device: [e.g. iPhone 11]
+ - OS: [e.g. iOS 13.1]
+
+**Your question**
+What do you have problem with?
+
+**Logs**
+Add any other context or logs describing the problem here.