Create resource suggestion issue template

Added a template for suggesting resources, including fields for name, URL, category, description, tags, and a checklist.

.github/ISSUE_TEMPLATE/resource-suggestions.md

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+name: Resource Suggestion
+description: Suggest adding or updating a tool, link, blog, cheat sheet, one-liner, etc.
+title: "[Resource] Short descriptive title"
+labels: ["resource", "enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for suggesting a resource! Please fill out as much as possible.
+
+  - type: input
+    id: name
+    attributes:
+      label: Resource Name
+      description: Name of the tool, blog, list, one-liner collection, etc.
+      placeholder: e.g., "nmap", "PayloadsAllTheThings", "Shell One-liner: Find large files"
+    validations:
+      required: true
+
+  - type: input
+    id: url
+    attributes:
+      label: URL / Location
+      description: Direct link (or file path if already in repo)
+      placeholder: https://example.com/tool or ./shell-utils/one-liners/find-large-files.md
+    validations:
+      required: true
+
+  - type: dropdown
+    id: category
+    attributes:
+      label: Which section/category does this belong to?
+      options:
+        - CLI Tools
+        - GUI Tools
+        - Web Tools
+        - Systems & Services
+        - Networks
+        - Containers & Orchestration
+        - Manuals / Howtos / Tutorials
+        - Inspiring Lists
+        - Blogs / Podcasts / Videos
+        - Hacking / Penetration Testing
+        - Daily Knowledge / News
+        - Cheat Sheets
+        - Shell One-liners / Tricks / Functions
+        - Other (please specify below)
+      default: 0
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description & Why Include It
+      description: Brief summary + why it's valuable / unique / up-to-date.
+      placeholder: "nmap is the de facto network scanner; still actively maintained in 2026."
+    validations:
+      required: true
+
+  - type: input
+    id: tags
+    attributes:
+      label: Suggested Tags / Keywords
+      description: Comma-separated (helps future search/tagging)
+      placeholder: nmap, scanning, network, cli
+
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Checklist
+      options:
+        - label: I have searched existing resources / issues to avoid duplicates
+          required: true
+        - label: The resource is legal, ethical, and publicly available
+          required: true