add github issue template for users to report issues easily

diff --git a/docs/issue_template.md b/docs/issue_template.md
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+----------------------------- Delete below -----------------------------
+
+If your issue is a general question, starts similar to "How do I..", or is related to 3rd party development kits/libs, please discuss this on our community forum at esp32.com instead.
+
+INSTRUCTIONS
+============
+
+Before submitting a new issue, please follow the checklist and try to find the answer.
+
+- [ ] I have read the documentation [ESP-IDF Programming Guide](http://esp-idf.readthedocs.io/en/latest/) and the issue is not addressed there.
+- [ ] I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
+- [ ] I have searched the issue tracker for a similar issue and not found a similar issue.
+
+If the issue cannot be solved after the steps before, please follow these instructions so we can get the needed information to help you in a quick and effective fashion.
+
+1. Fill in all the fields under **Environment** marked with [ ] by picking the correct option for you in each case and deleting the others.
+2. Describe your problem.
+3. Include [debug logs on the monitor](http://esp-idf.readthedocs.io/en/latest/get-started/idf-monitor.html#automatically-decoding-addresses) or the [coredump](http://esp-idf.readthedocs.io/en/latest/api-guides/core_dump.html).
+4. Provide more items under **Other items if possible** can help us better locate your problem.
+5. Use markup (buttons above) and the Preview tab to check what the issue will look like.
+6. Delete these instructions from the above to the below marker lines before submitting this issue.
+
+----------------------------- Delete above -----------------------------
+
+## Environment
+
+- Development Kit:      [ESP32-Wrover-Kit|ESP32-DevKitC|ESP32-PICO-Kit|ESP32-LyraT|ESP32-LyraTD-MSC|none]
+- Kit version (for WroverKit/PicoKit/DevKitC): [v1|v2|v3|v4]
+- Core (if using chip or module): [ESP32-Wrover-I|ESP32-Wrover|ESP32-PICO-D4|ESP32-SOLO-I|ESP32-WROOM-32U|ESP-WROOM-32D|ESP-WROOM32|ESP32]
+- IDF version (``git rev-parse --short HEAD`` to get the commit id.): 
+    //bd6ea4393c7d2f059fc4decc70f1ec3eb3597268
+- Development Env:             [Arduino IDE|Make|Eclipse|other]
+- Operating System:            [Windows|Ubuntu|MacOS]
+- Power Supply:         [USB|external 5V|external 3.3V|Battery]
+
+## Problem Description
+
+//Detailed problem description goes here.
+
+### Expected Behavior
+
+### Actual Behavior
+
+### Steps to repropduce
+
+1. step1
+2. ...
+
+// It helps if you attach a picture of your setup/wiring here.
+
+
+### Code to reproduce this issue
+
+```cpp
+// the code should be wrapped in the ```cpp tag so that it will be displayed better.
+#include "esp_log.h"
+
+void app_main()
+{
+    
+}
+
+```
+// If your code is longer than 30 lines, [GIST](https://gist.github.com) is preferred.
+
+## Debug Logs
+
+```
+Debug log goes here, should contain the backtrace, as well as the reset source if it is a crash.
+Please copy the plain text here for us to search the error log. Or attach the complete logs but leave the main part here if the log is *too* long.
+```
+
+## Other items if possible
+
+- [ ] sdkconfig file (attach the sdkconfig file from your project folder)
+- [ ] elf file in the ``build`` folder (**note this may contain all the code details and symbols of your project.**)
+- [ ] coredump (This provides stacks of tasks.) 
+