Update GH issue template settings

.github/ISSUE_TEMPLATE/bug.md

@@ -0,0 +1,50 @@
+---
+name: SDK Bug
+about: Report an SDK bug
+title: "(Set a clear title describing the issue)"
+labels: untriaged
+assignees: ''
+
+---
+
+(Filling out the following with as much detail as you can provide will help us solve your issue sooner.)
+
+### Reproducible in:
+
+#### The Slack SDK version
+
+(Paste the output of)
+```bash
+npm ls | grep -o "\S\+@\S\+$" | tr @ ' ' | awk -v q='"' '{print q$1q": "q"^"$2q","}' | grep slack
+```
+or refer to your `package.json`
+
+#### Node.js runtime version
+
+(Paste the output of `node --version`)
+
+#### OS info
+
+(Paste the output of `sw_vers && uname -v` on macOS/Linux or `ver` on Windows OS)
+
+#### Steps to reproduce:
+
+(Share the commands to run, source code, and project settings)
+
+1.
+2.
+3.
+
+### Expected result:
+
+(Tell what you expected to happen)
+
+### Actual result:
+
+(Tell what actually happened with logs, screenshots)
+
+### Requirements
+
+For general questions/issues about Slack API platform or its server-side, could you submit questions at https://my.slack.com/help/requests/new instead. :bow:
+
+Please read the [Contributing guidelines](https://github.com/slackapi/node-slack-sdk/blob/main/.github/contributing.md) and [Code of Conduct](https://slackhq.github.io/code-of-conduct) before creating this issue or pull request. By submitting, you are agreeing to those rules.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,7 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Slack Platform Customer Support
+    url: https://my.slack.com/help/requests/new
+    about: |
+      This issue tracker is a place to track bugs, feature requests, and questions on this SDK side.
+      If you have a general question on how to use the Slack platform, please get in touch with our customer support agents first via either /feedback in your Slack workspace or the help page link here.

.github/ISSUE_TEMPLATE/document.md

@@ -0,0 +1,18 @@
+---
+name: SDK Document
+about: Submit an issue on documentation
+title: "(Set a clear title describing your idea)"
+labels: untriaged
+assignees: ''
+
+---
+
+(Describe your issue and goal here)
+
+### List any relevant URLs
+
+- E.g. https://slack.dev/bolt-js/
+
+### Requirements
+
+Please read the [Contributing guidelines](https://github.com/slackapi/node-slack-sdk/blob/main/.github/contributing.md) and [Code of Conduct](https://slackhq.github.io/code-of-conduct) before creating this issue or pull request. By submitting, you are agreeing to those rules.

.github/ISSUE_TEMPLATE/enhancement---feature-request.md

@@ -0,0 +1,14 @@
+---
+name: SDK Enhancement / Feature Request
+about: Submit an enhancement/feature request
+title: "(Set a clear title describing your idea)"
+labels: untriaged
+assignees: ''
+
+---
+
+(Describe your issue and goal here)
+
+### Requirements
+
+Please read the [Contributing guidelines](https://github.com/slackapi/node-slack-sdk/blob/main/.github/contributing.md) and [Code of Conduct](https://slackhq.github.io/code-of-conduct) before creating this issue or pull request. By submitting, you are agreeing to those rules.

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,50 @@
+---
+name: SDK Question
+about: Submit a question about this SDK
+title: "(Set a clear title describing your question)"
+labels: untriaged
+assignees: ''
+
+---
+
+(Describe your issue and goal here)
+
+### Reproducible in:
+
+#### The Slack SDK version
+
+(Paste the output of
+```bash
+npm ls | grep -o "\S\+@\S\+$" | tr @ ' ' | awk -v q='"' '{print q$1q": "q"^"$2q","}' | grep slack
+```
+or refer to your `package.json`)
+
+#### Node.js runtime version
+
+(Paste the output of `node --version`)
+
+#### OS info
+
+(Paste the output of `sw_vers && uname -v` on macOS/Linux or `ver` on Windows OS)
+
+#### Steps to reproduce:
+
+(Share the commands to run, source code, and project settings)
+
+1.
+2.
+3.
+
+### Expected result:
+
+(Tell what you expected to happen)
+
+### Actual result:
+
+(Tell what actually happened with logs, screenshots)
+
+### Requirements
+
+For general questions/issues about Slack API platform or its server-side, could you submit questions at https://my.slack.com/help/requests/new instead. :bow:
+
+Please read the [Contributing guidelines](https://github.com/slackapi/node-slack-sdk/blob/main/.github/contributing.md) and [Code of Conduct](https://slackhq.github.io/code-of-conduct) before creating this issue or pull request. By submitting, you are agreeing to those rules.