initial commit, add bitget rest api and websockets connector

.github/workflow-settings.json

@@ -0,0 +1,16 @@
+{
+  "EXCLUDE_MESSAGES": [
+    "update package version",
+    "update packages",
+    "update wp version",
+    "trigger workflow",
+    "update TOC"
+  ],
+  "PROJECT": "Backlog",
+  "ISSUE_COLUMN": "To do",
+  "PR_COLUMN": "In progress",
+  "PR_BODY_TITLE": "## Changes",
+  "TOC_FOLDING": "1",
+  "TOC_MAX_HEADER_LEVEL": "3",
+  "TOC_TITLE": "Summary"
+}