Set different webhook colours for different build types

[thespad]

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• [x] I have read the contributing guideline and understand that I have made the correct modifications

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Description:

Set different webhook colours for different build types (live/dev/PR) Also adds build type to the footer and timestamp for job completion

Benefits of this PR and context:

How Has This Been Tested?

Source / References:

[LinuxServer-CI]

I am a bot, here are the test results for this PR: https://ci-tests.linuxserver.io/lspipepr/jenkins-builder/1c444d00-pkg-1c444d00-dev-0cc4abc71242ca7af19e00c5243f4e030ba90a19-pr-285/index.html https://ci-tests.linuxserver.io/lspipepr/jenkins-builder/1c444d00-pkg-1c444d00-dev-0cc4abc71242ca7af19e00c5243f4e030ba90a19-pr-285/shellcheck-result.xml	Tag	Passed
amd64-1c444d00-pkg-1c444d00-dev-0cc4abc71242ca7af19e00c5243f4e030ba90a19-pr-285	✅
arm64v8-1c444d00-pkg-1c444d00-dev-0cc4abc71242ca7af19e00c5243f4e030ba90a19-pr-285	✅

[LinuxServer-CI]

I am a bot, here are the test results for this PR: https://ci-tests.linuxserver.io/lspipepr/jenkins-builder/1c444d00-pkg-1c444d00-dev-5e2629db03e9c11273ffc858ba0de183ba7ac7b1-pr-285/index.html https://ci-tests.linuxserver.io/lspipepr/jenkins-builder/1c444d00-pkg-1c444d00-dev-5e2629db03e9c11273ffc858ba0de183ba7ac7b1-pr-285/shellcheck-result.xml	Tag	Passed
amd64-1c444d00-pkg-1c444d00-dev-5e2629db03e9c11273ffc858ba0de183ba7ac7b1-pr-285	✅
arm64v8-1c444d00-pkg-1c444d00-dev-5e2629db03e9c11273ffc858ba0de183ba7ac7b1-pr-285	✅