Added issue template

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,42 @@
+<!--
+Thank you for using LilyGo products
+
+Before opening an issue, please make sure you have read the README.
+
+Please provide the following information for all issues.
+
+Issues without relevant information may be rejected.
+
+Before submitting any issue, please make sure you have searched for related issues in the issue
+-->
+
+[ ] I have read the troubleshooting section of the README
+
+## What type of issue is this?
+
+[ ] Error or problem compiling the library
+[ ] Question or request for help
+[ ] Hardware issue
+[ ] Network issue
+[ ] GPS issue
+
+### What are you using?
+
+Modem: <!-- Model, variant, firmware version, e.g. T-A7670-->
+
+### AT+SIMCOMATI command returns  
+
+String: <!-- Use the ATDebug sketch, after booting the modem, send the characters returned by `AT+SIMCOMATI`: -->
+
+### Scenario, steps to reproduce
+<!-- What are you trying to achieve but can't? -->
+
+### Expected Results
+<!-- What results do you expect from the above steps to reproduce? -->
+
+### Actual Results
+<!-- What actually happened after the steps to reproduce? Please include error output or a gist link if possible. -->
+
+### Debug and AT Command Logs
+<!-- Enable debugging by defining TINY_GSM_DEBUG before including TinyGSM -->
+<!-- AT Command Logs obtained using StreamDebugger or any other debugging method -->

lib/TinyGSM/src/TinyGsmMqttA76xx.h

@@ -270,7 +270,7 @@ class TinyGsmMqttA76xx
         return true;
     }
 
-bool mqtt_subscribe(uint8_t clientIndex, const char *topic, uint8_t qos = 0, uint8_t dup = 0)
+    bool mqtt_subscribe(uint8_t clientIndex, const char *topic, uint8_t qos = 0, uint8_t dup = 0)
     {
         if (clientIndex > muxCount) {
             return false;