v0.15.18: Core Devs Call and Removing unnecessary Signers (#705)

* Add files via upload

* Update 07-24-core-devs-call.md

* fix broken RPC url

* fix all the broken anchors and hyperlinks

* shutterized -> to change to shutter enabled

* fix core dev call layout

* Core Devs Call Notes July 31, 2024

* remove custom signer from interact page

* fix: 07-31-core-devs-call format

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Signed-off-by: zhoufanjin <shuangcui@live.cn>
Co-authored-by: Armagan Ercan <armaggan@pm.me>
Co-authored-by: Armagan Ercan <armagan.ercan@gnosis.io>
Co-authored-by: zengzengzenghuy <85567868+zengzengzenghuy@users.noreply.github.com>