update projects

docs/projects/hiring.md

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+# Web3 Privacy Hiring
+
+Find your next privacy work.
+
+* https://docs.google.com/spreadsheets/d/1dN6bIWyOh01Dl-y1iZh-1TASZxKUefD098BUALcnUb8/edit?usp=sharing

docs/projects/pagency.md

@@ -1 +1,5 @@
-# Pagency framework
+# Pagency framework for private use-case ideation
+
+A tool to facilitate impactful privacy-enhancing ideas & raise privacy culture in web3.
+
+* https://github.com/web3privacy/web3privacy/tree/main/Pagency

docs/projects/usecase-db.md

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+# Privacy use-cases database
+
+Ideas & references for privacy builders.
+
+* https://github.com/Msiusko/web3privacy/blob/main/Use-cases.md

docs/projects/zk-solutions.md

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+# ZK privacy-enhancing solutions database
+
+Unified database of the privacy-enhancing ZK solutions.
+
+* https://github.com/Msiusko/web3privacy/tree/main/ZKprivacylandscape