feat: 导入 NMEA-0183 GPS 协议解析库（node-nmea）

NMEA-0183 语句解析器，含 21 个语句类型 codec 与配套单元测试。

- codecs/：APB/BWC/DBT/GGA/GLL/GRMT/GSA/GSV/HDG/HDM/HDT/MWV/RDID/
  RMB/RMC/ROT/RSA/TXT/VTG/VWR/ZDA
- test/：各 codec 对应的 mocha 用例
- .github/workflows/：node与 npm-publish 流水线

许可证：MIT（原作者 James Penn）

codecs/VWR.js

@@ -0,0 +1,39 @@
+var helpers = require("../helpers.js")
+/*
+=== VWR Relative Wind Speed and Angle ===
+
+Note: This is no longer a sentence that is recommended by the NMEA 0183 Standard Committee
+for new designs, however it does exist in a lot of equipment.
+
+------------------------------------------------------------------------------
+        1  2  3  4  5  6  7  8 9
+        |  |  |  |  |  |  |  | |
+$--VWR,x.x,a,x.x,N,x.x,M,x.x,K*hh
+------------------------------------------------------------------------------
+
+Field Number:
+ 
+1) Wind direction magnitude in degrees
+2) Wind direction Left/Right of bow
+3) Speed
+4) N
+5) Speed
+6) M = Meters Per Second
+7) Speed
+8) K = Kilometers Per Hour
+9) Checksum
+ */
+exports.TYPE = 'wind-relative';
+exports.ID = 'VWR';
+
+exports.decode = function(fields) {
+  return {
+    sentence: exports.ID,
+    type: exports.TYPE,
+    angle: +fields[1],
+    direction: fields[2],
+    speedKnots: +fields[3],
+    speedMs: +fields[5],
+    speedKmph: +fields[7]
+  }
+}