rename and reorder a bunch of discord stuff

discord/snowflake.cpp

@@ -0,0 +1,31 @@
+#include "snowflake.hpp"
+
+Snowflake::Snowflake()
+    : m_num(Invalid) {}
+
+Snowflake::Snowflake(const Snowflake &s)
+    : m_num(s.m_num) {}
+
+Snowflake::Snowflake(uint64_t n)
+    : m_num(n) {}
+
+Snowflake::Snowflake(const std::string &str) {
+    if (str.size())
+        m_num = std::stoull(str);
+    else
+        m_num = Invalid;
+};
+
+bool Snowflake::IsValid() const {
+    return m_num != Invalid;
+}
+
+void from_json(const nlohmann::json &j, Snowflake &s) {
+    std::string tmp;
+    j.get_to(tmp);
+    s.m_num = std::stoull(tmp);
+}
+
+void to_json(nlohmann::json &j, const Snowflake &s) {
+    j = std::to_string(s);
+}