chore: add issue templates

Relates to #2

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,22 @@
+name: Bug report
+description: Create a bug report to let us fix it
+labels: bug
+body:
+  - type: textarea
+    attributes:
+      label: Describe the bug
+      description: Describe the bug.
+      placeholder: >
+        A clear and concise description of what the bug is.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: To Reproduce
+      placeholder: >
+        Steps to reproduce the behavior.
+  - type: textarea
+    attributes:
+      label: Expected behavior
+      placeholder: >
+        What you expected to happen.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,17 @@
+name: Feature request
+description: Suggest an idea for this project
+labels: bug
+body:
+  - type: textarea
+    attributes:
+      label: Feature request description
+      description: Please describe what you are trying to do.
+      placeholder: >
+        A clear and concise description of what the problem is.
+        Ex. I'd like to have image `x` as part of modules.
+  - type: textarea
+    attributes:
+      label: Image reference
+      placeholder: >
+        The name of the module to which the request relates (i.e: `postgres`). 
+        Links to possible Docker images in case of a request to add a new module.