feat: add issue templates and anti-spam policy

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Report a Security Concern or Spam
+    url: https://github.com/f/awesome-chatgpt-prompts/security/advisories/new
+    about: Use this to report fake support numbers or phishing attempts.

.github/ISSUE_TEMPLATE/new_prompt.yml

@@ -0,0 +1,20 @@
+name: 🚀 New Prompt Submission
+description: Suggest a new ChatGPT prompt for the collection.
+title: "[PROMPT]: "
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: prompt_text
+    attributes:
+      label: Prompt Content
+      description: Provide the full text of the prompt.
+      placeholder: "I want you to act as..."
+    validations:
+      required: true
+  - type: input
+    id: category
+    attributes:
+      label: Category
+      placeholder: "e.g., Coding, Writing, Linux Terminal"
+    validations:
+      required: true

CONTRIBUTING.md

@@ -47,6 +47,10 @@ If you're contributing directly to `prompts.csv`, follow this format:
 - No spaces after commas inside quoted fields
 - Use your GitHub username exactly as it appears
 
-## Questions?
+## Questions & Issue Policy
 
-Open an issue if you have questions about contributing.
+Open an issue if you have questions about contributing. 
+
+**Important:** This repository is strictly for ChatGPT prompts. 
+- Do **not** post advertisements, third-party software support requests (e.g., Norton Antivirus, billing issues), or fake tech support phone numbers. 
+- Any off-topic issues will be closed immediately, and the posting user will be reported to GitHub for spam and malicious activity.