Add Signature Page

docs/Client Security/Signatures.md

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-TODO
+## Introduction
+
+Signatures are another method of security ROBLOX uses to prevent any unauthorized tampering with external requests to Roblox Servers.
+
+Traditionally, Signatures are as the name implies, a method of determination to insure all information is indeed coming from the authorized sender.
+
+In today's world, digitial signatures are analogous — They utilize mathematical algorithms to validate the authenticity of such data.[^1]
+
+## Client Signatures
+
+ROBLOX uses (and *used*) signatures for a multitude of things including but not limited to:
+    
+- JoinScripts<sub><sup>[Citation needed]</sup></sub>
+- Online CoreScripts (2010-2015)
+
+
+<h3 id="see-also">See Also:</h3>
+- [Generating a public/private key](/Extras/KeyGeneration)
+
+[^1]: More Information: [https://www.cisa.gov/uscert/ncas/tips/ST04-018](https://www.cisa.gov/uscert/ncas/tips/ST04-018)

mkdocs.yml

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   - exclude-search:
       exclude: 
         - hidden/*
+markdown_extensions:
+  - footnotes
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