feat: implement NMEA stream management, sensor data models, and power modes

- Added NmeaStreamManager for TCP connection and sentence parsing.
- Extended NmeaParser to support MWV (wind), DBT (depth), and HDG/HDM (heading) sentences.
- Added sensor data models: WindData, DepthData, HeadingData.
- Introduced PowerMode enum to manage GPS update intervals.
- Integrated NmeaStreamManager and PowerMode into LocationService.
- Added test-runner, a standalone JVM-only Gradle project for verifying GPS/NMEA logic.

Co-Authored-By: Gemini CLI <noreply@google.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/test-runner/build.gradle b/test-runner/build.gradle
new file mode 100644
index 0000000..4611381
--- /dev/null
+++ b/test-runner/build.gradle
@@ -0,0 +1,18 @@
+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '2.0.0'
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.13.2'
+}
+
+test {
+    useJUnit()
+    testLogging {
+        events "passed", "failed", "skipped"
+    }
+}