Add new XC20 tokens

[Gunit2481]

• xcPEN, XLM.s and EURC.s from Pendulum
• vGLMR, vMANTA, FIL and vFIL FROM Bifrost

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 2ee5ff6):

https://astar-docs--pr682-new-xc20-tokens-0roscnid.web.app

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