add more text to manual

Author: weisrc

.vscode/settings.json

@@ -1,5 +1,84 @@
 {
   "markdown-pdf.mermaidServer": "https://unpkg.com/mermaid@9.4.0/dist/mermaid.min.js",
-  "markdown-pdf.displayHeaderFooter": false,
-  "markdown-pdf.format": "Letter"
+  "markdown-pdf.headerTemplate": " ",
+  "markdown-pdf.footerTemplate": "<div style=\"font-size: 9px; margin: 0 auto;\"> <span class='pageNumber'></span> / <span class='totalPages'></span></div>",
+  "markdown-pdf.format": "Letter",
+  "markdown-pdf.styles": [
+    "markdown-pdf.css"
+  ],
+  "files.associations": {
+    ".dev.vars": "properties",
+    ".prod.vars": "properties",
+    "array": "cpp",
+    "atomic": "cpp",
+    "bit": "cpp",
+    "*.tcc": "cpp",
+    "bitset": "cpp",
+    "cctype": "cpp",
+    "charconv": "cpp",
+    "chrono": "cpp",
+    "clocale": "cpp",
+    "cmath": "cpp",
+    "codecvt": "cpp",
+    "compare": "cpp",
+    "concepts": "cpp",
+    "condition_variable": "cpp",
+    "csignal": "cpp",
+    "cstdarg": "cpp",
+    "cstddef": "cpp",
+    "cstdint": "cpp",
+    "cstdio": "cpp",
+    "cstdlib": "cpp",
+    "cstring": "cpp",
+    "ctime": "cpp",
+    "cwchar": "cpp",
+    "cwctype": "cpp",
+    "deque": "cpp",
+    "list": "cpp",
+    "map": "cpp",
+    "set": "cpp",
+    "string": "cpp",
+    "unordered_map": "cpp",
+    "unordered_set": "cpp",
+    "vector": "cpp",
+    "exception": "cpp",
+    "algorithm": "cpp",
+    "functional": "cpp",
+    "iterator": "cpp",
+    "memory": "cpp",
+    "memory_resource": "cpp",
+    "numeric": "cpp",
+    "optional": "cpp",
+    "random": "cpp",
+    "ratio": "cpp",
+    "regex": "cpp",
+    "string_view": "cpp",
+    "system_error": "cpp",
+    "tuple": "cpp",
+    "type_traits": "cpp",
+    "utility": "cpp",
+    "fstream": "cpp",
+    "initializer_list": "cpp",
+    "iomanip": "cpp",
+    "iosfwd": "cpp",
+    "iostream": "cpp",
+    "istream": "cpp",
+    "limits": "cpp",
+    "mutex": "cpp",
+    "new": "cpp",
+    "numbers": "cpp",
+    "ostream": "cpp",
+    "semaphore": "cpp",
+    "span": "cpp",
+    "sstream": "cpp",
+    "stdexcept": "cpp",
+    "stop_token": "cpp",
+    "streambuf": "cpp",
+    "thread": "cpp",
+    "cinttypes": "cpp",
+    "typeinfo": "cpp",
+    "variant": "cpp",
+    "format": "cpp",
+    "__nullptr": "cpp"
+  }
 }