为 ed25519 更换实现 #285
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为 ed25519 更换实现 #285
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参考 #284 , 目前使用的 libsodium bindings 在 JVM 平台表现不佳。由于它通过JNA绑定libsodium链库，而库文件储存在 resources 中，这会导致两个问题：
因此，现在分离出一个内部使用的模块
simbot-component-qq-guild-internal-ed25519并将 ed25519 的实现多平台化：非 JVM 平台中，均使用 libsodium bindings 作为实现。
JVM 平台中，优先尝试检测是否存在以下类：
org.bouncycastle.crypto.params.Ed25519PrivateKeyParametersorg.bouncycastle.crypto.params.Ed25519PublicKeyParametersorg.bouncycastle.crypto.signers.Ed25519Signer如果存在，则使用这些类进行签名操作，也就是使用 BouncyCastle (编译时使用的是
org.bouncycastle:bcprov-jdk18on:1.80) 进行密钥的生成或签名/验签。如果 BouncyCastle 的相关类不存在，则使用 ed25519-java 作为实现库。此库默认作为
implementation加载于 classpath 中。相比于 BouncyCastle (≈8,480 KB ≈8.48 MB)，它轻量得多 (≈62 KB)。
resolve #284