feat: add ISSUE_TEMPLATE (#21)

* ISSUE_TEMPLATEを作成したい
Fixes #6

* fix: wrong wording for ISSUE_TEMPLATE

* fix: use 日本語 instead of Japanese for ISSUE_TEMPLATE

* fix: question label for ISSUE_TEMPLATE

* fix: correct slack name in ISSUE_TEMPLATE

Author: hiohiohio

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,75 @@
+name: 🐞 Bug report/バグ報告
+description: Create a bug report to help us improve the SDK
+title: "[Bug]: "
+labels: [ bug ]
+assignees:
+  -
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report! Please fill the form in English/日本語!
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue already exists for the bug you encountered.
+      options:
+        - label: I have searched the existing issues
+          required: true
+  - type: textarea
+    attributes:
+      label: Current Behavior
+      description: A concise description of what you're experiencing.
+      placeholder: |
+        When I do <X>, <Y> happens and I see the error message attached below:
+        ```...```
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Expected Behavior
+      description: A concise description of what you expected to happen.
+      placeholder: When I do <X>, <Z> should happen instead.
+    validations:
+      required: false
+
+  - type: textarea
+    attributes:
+      label: SDK Version I encountered this issue in
+      description: |
+        What versions of the SDK have you tried in which the issue is present.
+        Before opening an issue please make sure you try the latest version of the SDK in case a fix has already been made.
+      placeholder: |
+        jquants-api-client version: 0.x.x
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Steps To Reproduce
+      description: Steps to reproduce the behavior.
+      placeholder: |
+        1. In this environment...
+        2. With this config...
+        3. Run '...'
+        4. See error...
+      render: markdown
+    validations:
+      required: true
+
+  - type: checkboxes
+    attributes:
+      label: Filled out the Steps to Reproduce section?
+      description: Please verify you have filled out the above section in regards to attaching steps or code that can reproduce your issue so that engineers can investigate. Not filling out the section will have your issue flagged as invalid and might not be investigated.
+      options:
+        - label: I have entered valid steps to reproduce my issue or have attached a minimally reproducible case in code that shows my issue happening; and understand that without this my issue will be flagged as invalid and closed after 30 days.
+          required: true
+
+  - type: textarea
+    attributes:
+      label: Anything else?
+      description: |
+        Links? References? Anything that will give us more context about the issue you are encountering!
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/feature-request.yaml

@@ -0,0 +1,44 @@
+name: 🚀 Feature request/機能追加リクエスト
+description: As a user, I would like to see this new feature implemented into the SDK
+labels: [ feature ]
+assignees:
+  -
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to request a feature for jquants-api-client-python! Please fill the form in English/日本語!
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue related to this feature request already exists.
+      options:
+        - label: I have searched the existing issues
+          required: true
+  - type: textarea
+    attributes:
+      label: Is your feature request related to a problem? Please describe.
+      description: A concise description of the problem you are facing or the motivetion behind this feature request.
+      placeholder: |
+        I faced a problem due to which ...
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe the solution you'd like.
+      description: A concise description of the solution for the issue.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Describe an alternate solution.
+      description: Is there any other app issue to solve the problem?
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Anything else? (Additional Context)
+      description: |
+        Links? References? Anything that will give us more context about this!
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/question.yaml

@@ -0,0 +1,33 @@
+name: ❓ Questions/質問 ❓
+description: I have a question about the SDK I can't find an answer to in the documentation or README.
+title: "[Question]: "
+labels: [ question ]
+assignees:
+  -
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please fill the form in English/日本語!
+  - type: checkboxes
+    attributes:
+      label: Question form pre-submit checklist.
+      description: |
+        Please verify that all these checkboxes are true before opening an issue.
+        If your issue is determined to violate one of the below questions it will be closed for being invalid.
+      options:
+        - label: I have searched the existing issues to ensure there isn't already an issue about this question.
+          required: true
+        - label: My question has to do with the Python SDK and isn't a general question about the API. (If it is please open your issue in J-Quants API Community on Slack)
+          required: true
+        - label: My question isn't about how to do a specific algorithm or asking for trade advice (answers to these are outside the scope of this repo).
+          required: true
+  - type: textarea
+    attributes:
+      label: Question
+      description: Please describe your question here
+      placeholder: |
+        I couldn't find an example or documentation on X. How do I do X ?
+        ```...```
+    validations:
+      required: true