Capitalise issue template folder

.github/ISSUE_TEMPLATE/docs.yml

@@ -0,0 +1,32 @@
+name: Documentation issue
+description: Report documentation issues here.
+labels: [documentation]
+assignees: [garraflavatra]
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this report!
+
+  - type: textarea
+    id: source
+    attributes:
+      label: Source
+      description: Which part of the documentation is erroneous? A link would be very nice!
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem
+      description: Why is it wrong?
+    validations:
+      required: true
+
+  - type: input
+    id: solution
+    attributes:
+      label: Solution
+      description: What should the documentation say instead?