Add longpressbuzz app (boot code)

apps/longpressbuzz/ChangeLog

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+0.01: New App!

apps/longpressbuzz/README.md

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+# Long Press, Buzz!
+
+Buzz on long press (assumed and hardcoded to 1500ms) to indicate the watch will be reinitiated per your command.
+
+## Usage
+
+Just install and it will run as boot code.
+
+## Requests
+
+Mention @[thyttan](https://github.com/thyttan) in an issue to the official [BangleApps repository](https://github.com/espruino/BangleApps/issues) for bug reports and feature requests.
+
+## Creator
+
+[thyttan](https://github.com/thyttan)

apps/longpressbuzz/boot.js

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+let btnLoadTimeout = 1500; //Bangle.getOptions().btnLoadTimeout; // Hardcode value to minimize impact on load time at boot. Change to the commented out code to couple it to the actual system setting in the options object.
+let buzzTimeout;
+setWatch(function(e) { buzzTimeout = setTimeout(Bangle.buzz, btnLoadTimeout-100, 30, 0.30); }, BTN, {
+repeat:true, edge:'rising' });
+setWatch(function(e) { if (buzzTimeout) clearTimeout(buzzTimeout); }, BTN, {
+repeat:true, edge:'falling' });

apps/longpressbuzz/metadata.json

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+{ "id": "longpressbuzz",
+  "name": "Long Press, Buzz!",
+  "shortName":"LPB",
+  "version":"0.01",
+  "description": "Buzz on long press (assumed and hardcoded to 1500ms) to indicate the watch will be reinitiated per your command.",
+  "icon": "app.png",
+  "type": "bootloader",
+  "tags": "",
+  "supports" : ["BANGLEJS2"],
+  "readme": "README.md",
+  "storage": [
+    {"name":"longpressbuzz.boot.js","url":"boot.js"}
+  ]
+}