Add issue templates

Signed-off-by: Igor <igor@armbian.com>

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Armbian Linux Build Framework Bug Report
+    url: https://github.com/armbian/build/issues/new?template=bugreport.yml
+    about: Create a bug report if there is something wrong with build framework mechanism.
+  - name: Armbian Linux Build Framework Feature request
+    url: https://github.com/armbian/build/issues/new?template=feature.yml
+    about: Suggest a feature that you want to see implemented
+  - name: Armbian OS Bug Report
+    url: https://www.armbian.com/bugs/
+    about: Use our bug reporting wizzard to file your bug in the correct place
+  - name: Armbian OS Feature Requests
+    url: https://forum.armbian.com/forum/38-feature-requests/
+    about: Feature requests and enhancement ideas. A request does not guarantee consideration.
+  - name: Armbian Linux kernel related bug report
+    url: https://www.armbian.com/bugs/
+    about: For changes to the kernel code made by Armbian
+  - name: Vanilla Linux kernel related bug report
+    url: https://bugzilla.kernel.org/
+    about: If you are using upstream Linux kernel
+  - name: Issue with armbian-config
+    url: https://github.com/armbian/config/issues/new
+    about: Utility for configuring your board, adjusting services and installing applications.
+  - name: Issue with infrastructure
+    url: https://github.com/armbian/mirror/issues/new
+    about: Broken download links or just slow download

.github/ISSUE_TEMPLATE/feature.yml

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+name: Armbian Linux Software Package Import Request
+description: "Suggest software package which is released on GitHub or have their own Debian / PPA repositories."
+title: "Mozilla Firefox exists only as SNAP package :("
+labels: ["feature"]
+assignees: "igorpecovnik"
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out a feature reqest. A request does not guarantee consideration.
+  - type: textarea
+    id: what
+    attributes:
+      label: Which software package would you like that is mirrored?
+      description: "<br>Tell us what is missing!<br>"
+      placeholder: Tell us what is missing!
+      value: "Please include package X from repository Y in all Ubuntu builds ..."
+    validations:
+      required: true